Compare 87139 vs 87149
| Property | 87139 | 87149 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 131 × 67031 | 871491 |
| Prime factorization | 13 × 6703 | 87149 |
| Divisors count | 4 | 2 |
| Divisors | 1, 13, 6703, 87139 | 1, 87149 |
| Number of properties | 1 | 7 |
| Additive primes | 3487th | |
| Chen primes | 3799th | |
| Long primes | 3199th | |
| Primes | 8463rd | |
| Pythagorean primes | 4221st | |
| Semiprimes | 20524th | |
| Sophie germain primes | 1054th | |
| Twin primes (1st member) | 1087th | |
| Roman numberals | ||
| Base 2 | 101010100011000112 | 101010100011011012 |
| Base 3 | 111021121013 | 111021122023 |
| Base 4 | 1111012034 | 1111012314 |
| Base 5 | 102420245 | 102420445 |
| Base 6 | 15112316 | 15112456 |
| Base 7 | 5120237 | 5120367 |
| Base 8 | 2521438 | 2521558 |
| Base 9 | 1424719 | 1424829 |
| Base 10 | 8713910 | 8714910 |
| Base 11 | 5a51811 | 5a52711 |
| Base 12 | 4251712 | 4252512 |
| Base 13 | 3088013 | 3088a13 |
| Base 14 | 23a8314 | 23a8d14 |
| Base 15 | 1ac4415 | 1ac4e15 |
| Base 16 | 1546316 | 1546d16 |