5000 (number)
From Wikipedia, the free encyclopedia
5000 (five thousand) is the natural number following 4999 and preceding 5001. Five thousand is the largest isogrammic number in the English language.
| Cardinal | 5000 five thousand |
| Ordinal | 5000th five thousandth |
| Factorization | ![]() |
| Roman numeral | V |
| Roman numeral (Unicode) | V, v, ↁ |
| Binary | 1001110001000 |
| Octal | 11610 |
| Duodecimal | 2A88 |
| Hexadecimal | 1388 |
| Look up five thousand in Wiktionary, the free dictionary. |
[edit] Selected numbers in the range 5001–5999
- 5003 – Sophie Germain prime
- 5020 – amicable number with 5564
- 5039 – factorial prime, Sophie Germain prime
- 5040 – 7!, highly composite number
- 5041 – 712, centered octagonal number
- 5050 – triangular number, Kaprekar number, sum of first 100 integers
- 5051 – Sophie Germain prime
- 5076 – decagonal number
- 5081 – Sophie Germain prime
- 5087 – safe prime
- 5099 – safe prime
- 5107 – balanced prime
- 5113 – balanced prime
- 5151 – triangular number
- 5167 – cuban prime of the form x = y + 1
- 5171 – Sophie Germain prime
- 5184 – 722
- 5186 – φ(5186) = 2592
- 5187 – φ(5187) = 2592
- 5188 – φ(5189) = 2592, centered heptagonal number
- 5226 – nonagonal number
- 5231 – Sophie Germain prime
- 5244 –

- 5249 – highly cototient number
- 5253 – triangular number
- 5279 – Sophie Germain prime
- 5280 is the number of feet in a mile. It is evenly divisible by three, yielding exactly 1760 yards per mile and by 16.5, yielding exactly 320 rods per mile.
- 5280 is connected with both Klein's J-invariant and the Heegner numbers. Specifically
- 5292 – Kaprekar number
- 5303 – Sophie Germain prime, balanced prime
- 5329 – 732, centered octagonal number
- 5333 – Sophie Germain prime
- 5335 – magic constant of n×n normal magic square and n-queens problem for n = 22.
- 5340 – octahedral number
- 5356 – triangular number
- 5365 – decagonal number
- 5387 – safe prime, balanced prime
- 5392 – Leyland number
- 5393 – balanced prime
- 5399 – Sophie Germain prime, safe prime
- 5405 – member of a Ruth–Aaron pair with 5406 (either definition)
- 5406 – member of a Ruth–Aaron pair with 5405 (either definition)
- 5419 – Cuban prime of the form x = y + 1
- 5441 – Sophie Germain prime
- 5456 – tetrahedral number
- 5459 – highly cototient number
- 5460 – triangular number
- 5461 – super-Poulet number, centered heptagonal number
- 5476 – 742
- 5483 – safe prime
- 5500 – nonagonal number
- 5501 – Sophie Germain prime
- 5507 – safe prime
- 5525 – square pyramidal number
- 5536 – tetranacci number
- 5563 – balanced prime
- 5564 – amicable number with 5020
- 5565 – triangular number
- 5566 – pentagonal pyramidal number
- 5571 – perfect totient number
- 5625 – 752, centered octagonal number
- 5639 – Sophie Germain prime, safe prime
- 5662 – decagonal number
- 5671 – triangular number
- 5711 – Sophie Germain prime
- 5719 – Zeisel number, Lucas–Carmichael number
- 5741 – Sophie Germain prime, Pell number, Markov number, centered heptagonal number
- 5768 – tribonacci number
- 5776 – 762
- 5777 – smallest counterexample to the conjecture that all odd numbers are of the form p + 2a2
- 5778 – triangular number
- 5781 – nonagonal number
- 5798 – Motzkin number
- 5807 – safe prime, balanced prime
- 5832 – 183
- 5849 – Sophie Germain prime
- 5879 – safe prime, highly cototient number
- 5886 – triangular number
- 5903 – Sophie Germain prime
- 5913 – sum of the first seven factorials
- 5927 – safe prime
- 5929 – 772, centered octagonal number
- 5939 – safe prime
- 5967 – decagonal number
- 5984 – tetrahedral number
- 5995 – triangular number


![5280 = -\sqrt[3]{j\left( {\scriptstyle\frac{1}{2}} \left( 1 + i\sqrt{67}\, \right)\right) }.](http://upload.wikimedia.org/wikipedia/en/math/c/b/e/cbecb59c6a6d2b5fa91c1cc671e23492.png)