Compare 251989 vs 252001
| Property | 251989 | 252001 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 591 × 42711 | 2520011 |
| Prime factorization | 59 × 4271 | 252001 |
| Divisors count | 4 | 2 |
| Divisors | 1, 59, 4271, 251989 | 1, 252001 |
| Number of properties | 1 | 3 |
| Centered decagonal primes | 97th | |
| Isolated primes | 16991st | |
| Primes | 22204th | |
| Semiprimes | 56357th | |
| Roman numberals | ||
| Base 2 | 1111011000010101012 | 1111011000011000012 |
| Base 3 | 1102101222213 | 1102102001013 |
| Base 4 | 3312011114 | 3312012014 |
| Base 5 | 310304245 | 310310015 |
| Base 6 | 52223416 | 52224016 |
| Base 7 | 20664437 | 20664617 |
| Base 8 | 7541258 | 7541418 |
| Base 9 | 4235879 | 4236119 |
| Base 10 | 25198910 | 25200110 |
| Base 11 | 16236111 | 16237211 |
| Base 12 | 1019b112 | 101a0112 |
| Base 13 | 8a90a13 | 8a91913 |
| Base 14 | 67b9314 | 67ba114 |
| Base 15 | 4e9e415 | 4ea0115 |
| Base 16 | 3d85516 | 3d86116 |