Compare 121312 vs 121313
| Property | 121312 | 121313 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 7 | 1 |
| Prime factorization | 25 × 171 × 2231 | 1213131 |
| Prime factorization | 2 × 2 × 2 × 2 × 2 × 17 × 223 | 121313 |
| Divisors count | 24 | 2 |
| Divisors | 1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 223, 272, 446, 544, 892, 1784, 3568, 3791, 7136, 7582, 15164, 30328, 60656, 121312 | 1, 121313 |
| Number of properties | 0 | 7 |
| Additive primes | 4694th | |
| Cousin primes (2nd member) | 1427th | |
| Isolated primes | 8550th | |
| Long primes | 4276th | |
| Primes | 11415th | |
| Pythagorean primes | 5678th | |
| Ulam primes | 803rd | |
| Roman numberals | ||
| Base 2 | 111011001111000002 | 111011001111000012 |
| Base 3 | 200111020013 | 200111020023 |
| Base 4 | 1312132004 | 1312132014 |
| Base 5 | 123402225 | 123402235 |
| Base 6 | 23333446 | 23333456 |
| Base 7 | 10134527 | 10134537 |
| Base 8 | 3547408 | 3547418 |
| Base 9 | 2043619 | 2043629 |
| Base 10 | 12131210 | 12131310 |
| Base 11 | 8316411 | 8316511 |
| Base 12 | 5a25412 | 5a25512 |
| Base 13 | 432a913 | 432aa13 |
| Base 14 | 322d214 | 322d314 |
| Base 15 | 25e2715 | 25e2815 |
| Base 16 | 1d9e016 | 1d9e116 |