70,000
| ||||
---|---|---|---|---|
Cardinal | seventy thousand | |||
Ordinal | 70000th (seventy thousandth) | |||
Factorization | 24 × 54 × 7 | |||
Greek numeral | ||||
Roman numeral | LXX | |||
Binary | 100010001011100002 | |||
Ternary | 101200001213 | |||
Senary | 13000246 | |||
Octal | 2105608 | |||
Duodecimal | 3461412 | |||
Hexadecimal | 1117016 |
70,000 (seventy thousand) is the natural number that comes after 69,999 and before 70,001. It is a round number.
Selected numbers in the range 70,001–79,999
70,001 to 70,999
71,000 to 70,999
- 71,656 – pentagonal pyramidal number
72,000 to 72,999
73,000 to 73,999
- 73,296 – is the smallest number n, for which n−3, n−2, n−1, n+1, n+2, n+3 are all Sphenic number.
- 73,440 – 15 × 16 × 17 × 18
- 73,712 – number of n-Queens Problem solutions for n = 13
- 73,728 – 3-smooth number
- 73,774 - used in marketing Pepsi, the number dialed if the letters of "Pepsi" are entered on a telephone keypad[importance?]
74,000 to 74,999
- 74,088 – 423
- 74,205 – registry number of the USS Defiant on Star Trek: Deep Space Nine
- 74,656 – registry number of the USS Voyager on Star Trek: Voyager
75,000 to 75,999
76,000 to 76,999
- 76,084 – amicable number with 63020
- 76,176 – sum of the cubes of the first 23 positive integers
- 76,424 – tetranacci number[4]
77,000 to 77,999
- 77,777 – repdigit
- 77,778 – Kaprekar number[5]
78,000 to 78,999
- 78,125 – 57
- 78,557 – conjectured to be the smallest Sierpiński number
- 78,732 – 3-smooth number
79,000 to 79,999
- 79,507 – 433
References
- ^ "Sloane's A000045 : Fibonacci numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-16.
- ^ "Sloane's A002559 : Markoff (or Markov) numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-16.
- ^ "Sloane's A002997 : Carmichael numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-16.
- ^ "Sloane's A000078 : Tetranacci numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-16.
- ^ "Sloane's A006886 : Kaprekar numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-16.