148 (number): Difference between revisions
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==In mathematics== |
==In mathematics== |
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'''148''' is the second number to be both a [[heptagonal number]] and a [[centered heptagonal number]] (the first is 1).<ref>{{cite OEIS|A128919|Numbers simultaneously heptagonal and centered heptagonal}}</ref> It is the twelfth member of the [[Mian–Chowla sequence]], the lexicographically smallest sequence of distinct positive integers with distinct pairwise sums.<ref>{{cite OEIS|A005282|Mian-Chowla sequence}}</ref> |
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* '''148''' is the second number to be both a [[heptagonal number]]<ref>{{Cite web|url=https://oeis.org/A000566|title=Sloane's A000566 : Heptagonal numbers|website=The On-Line Encyclopedia of Integer Sequences|publisher=OEIS Foundation|access-date=2016-05-28}}</ref> and a [[centered heptagonal number]]<ref>{{Cite web|url=https://oeis.org/A069099|title=Sloane's A069099 : Centered heptagonal numbers|website=The On-Line Encyclopedia of Integer Sequences|publisher=OEIS Foundation|access-date=2016-05-28}}</ref> (the first is [[1 (number)|1]]) |
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* 148 is the twelfth member of the [[Mian–Chowla sequence]]<ref>{{Cite web|url=https://oeis.org/A005282|title=Sloane's A005282 : Mian-Chowla sequence|website=The On-Line Encyclopedia of Integer Sequences|publisher=OEIS Foundation|access-date=2016-05-28}}</ref> |
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==In the Bible== |
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* [[Psalm 148]] |
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==In the military== |
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* The [[AN/PRC-148|AN/PRC-148 Multiband Inter/Intra Team Radio]] fielded handheld multiband, tactical [[software-defined radio]] |
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* The [[CH-148 Cyclone]] twin-engine [[helicopter]] manufactured by the [[Sikorsky Aircraft|Sikorsky Aircraft Corporation]] for the [[Canadian Forces]] |
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* {{USS|Achomawi|ATF-148}} was a [[United States Navy]] {{sclass|Navajo|fleet tug}} during [[World War II]] |
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* {{USS|Astute|AM-148}} was a United States Navy {{sclass|Admirable|minesweeper}} during World War II |
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* {{USS|Breckinridge|DD-148}} was a United States Navy {{sclass|Wickes|destroyer}} during World War II |
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* {{USS|Brough|DE-148}} was a United States Navy {{sclass|Edsall|destroyer escort}} during World War II |
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* {{USS|Crockett|APA-148}} was a United States Navy {{sclass|Haskell|attack transport}} during World War II |
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* {{USS|General M. L. Hersey|AP-148}} was a United States Navy {{sclass|General G. O. Squier|transport}} during World War II |
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* {{USS|Newport News|CA-148}} was a United States Navy {{sclass|Des Moines|cruiser}} following World War II |
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* {{USS|Ponchatoula|AO-148}} was a United States Navy {{sclass|Neosho|oiler||ship}} during the [[Vietnam War]] |
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==In transportation== |
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* [[London Buses route 148]] |
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* [[Harlem – 148th Street (IRT Lenox Avenue Line)|Harlem – 148th Street]] [[metro station|station]] on the [[IRT Lenox Avenue Line]] of the [[New York City Subway]] |
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* The [[East 148th Avenue]] [[light rail]] station on the [[MAX Blue Line]] in [[Portland, Oregon]] |
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* The [[Antonov An-148]] [[Ukraine|Ukrainian]] [[jet aircraft]] |
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* [[Air Inter Flight 148]] crashed in the [[Vosges Mountains]] on January 20, 1992 |
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* The [[Piaggio P.148]] was an Italian 2-seat primary or aerobatic training [[monoplane]] built by [[Piaggio Aero|Piaggio]] |
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==In TV and radio== |
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* Cobra 148 model [[Globalstar|Globalstar Telecommunications Limited]] (GTL) 120 channel [[CB radio]] |
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==In other fields== |
==In other fields== |
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| last = Klein | first = Ralph Walter |
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| date = January 1969 |
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| doi = 10.1017/s0017816000027644 |
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| issue = 1 |
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| journal = Harvard Theological Review |
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| pages = 99–107 |
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| title = Old Readings in 1 Esdras: The List of Returnees From Babylon (Ezra 2 // Nehemiah 7) |
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| volume = 62}}</ref> |
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| last = Dunbar | first = R. I. M. |
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* 148 AH is a year in the [[Islamic calendar]] that corresponds to a period in [[765]] [[Common Era|CE]] |
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| editor1-last = Schmitt | editor1-first = Alain |
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* The [[atomic number]] of an element temporarily called unquadioctium<ref>{{cite web |url=http://www.flw.com/datatools/periodic/001.php?id=148 |title=Archived copy |website=www.flw.com |access-date=13 January 2022 |archive-url=https://web.archive.org/web/20120807003403/http://www.flw.com/datatools/periodic/001.php?id=148 |archive-date=7 August 2012 |url-status=dead}}</ref> |
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| editor2-last = Atzwanger | editor2-first = Klaus |
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* [[148 Gallia]] is a [[R-type asteroid|R-type]] [[Asteroid belt|main belt]] [[asteroid]] |
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| editor3-last = Grammer | editor3-first = Karl |
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* [[Blood 148, Alberta|Blood 148]] [[Indian reserve]] in [[Alberta]], Canada |
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| editor4-last = Schäfer | editor4-first = Katrin |
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* [[Sonnet 148]] |
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| contribution = Groups, Gossip, and the Evolution of Language |
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| doi = 10.1007/978-0-585-34289-4_5 |
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| pages = 77–89 |
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| publisher = Kluwer Academic Publishers |
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| title = New Aspects of Human Ethology |
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| year = 1997}}</ref> but this is commonly rounded to 150. |
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==See also== |
==See also== |
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* [[List of highways numbered 148]] |
* [[List of highways numbered 148]] |
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* {{In title|148}} |
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* [[United Nations Security Council Resolution 148]] |
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* [[List of United States Supreme Court cases, volume 148|United States Supreme Court cases, Volume 148]] |
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==External links== |
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* [https://web.archive.org/web/20120402092337/http://numbers.daresler.net/148/ The Natural Number 148] |
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== References == |
== References == |
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{{Reflist}} |
{{Reflist}} |
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{{Integers|1}} |
{{Integers|1}} |
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Revision as of 00:04, 4 March 2022
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| Cardinal | one hundred forty-eight | |||
| Ordinal | 148th (one hundred forty-eighth) | |||
| Factorization | 22 × 37 | |||
| Divisors | 1, 2, 4, 37, 74, 148 | |||
| Greek numeral | ΡΜΗ´ | |||
| Roman numeral | CXLVIII | |||
| Binary | 100101002 | |||
| Ternary | 121113 | |||
| Senary | 4046 | |||
| Octal | 2248 | |||
| Duodecimal | 10412 | |||
| Hexadecimal | 9416 | |||
148 (one hundred [and] forty-eight) is the natural number following 147 and before 149.
In mathematics
148 is the second number to be both a heptagonal number and a centered heptagonal number (the first is 1).[1] It is the twelfth member of the Mian–Chowla sequence, the lexicographically smallest sequence of distinct positive integers with distinct pairwise sums.[2]
There are 148 perfect graphs with 6 vertices.[3]
In other fields
In the Book of Nehemiah 7:44 there are 148 singers, sons of Asaph, at the Census of men of Israel upon return from exile. This differs from Ezra 2:41, where the number is given as 128.[4]
Dunbar's number is theoretical cognitive limit to the number of people with whom one can maintain stable interpersonal relationships. Dunbar predicted a "mean group size" of 148,[5] but this is commonly rounded to 150.
See also
References
- ^ Sloane, N. J. A. (ed.). "Sequence A128919 (Numbers simultaneously heptagonal and centered heptagonal)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
- ^ Sloane, N. J. A. (ed.). "Sequence A005282 (Mian-Chowla sequence)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
- ^ Sloane, N. J. A. (ed.). "Sequence A052431 (Number of perfect simple undirected graphs on n nodes)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
- ^ Klein, Ralph Walter (January 1969). "Old Readings in 1 Esdras: The List of Returnees From Babylon (Ezra 2 // Nehemiah 7)". Harvard Theological Review. 62 (1): 99–107. doi:10.1017/s0017816000027644.
- ^ Dunbar, R. I. M. (1997). "Groups, Gossip, and the Evolution of Language". In Schmitt, Alain; Atzwanger, Klaus; Grammer, Karl; Schäfer, Katrin (eds.). New Aspects of Human Ethology. Kluwer Academic Publishers. pp. 77–89. doi:10.1007/978-0-585-34289-4_5.
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