Compare 86981 vs 87149
| Property | 86981 | 87149 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 869811 | 871491 |
| Prime factorization | 86981 | 87149 |
| Divisors count | 2 | 2 |
| Divisors | 1, 86981 | 1, 87149 |
| Number of properties | 5 | 7 |
| Additive primes | 3487th | |
| Chen primes | 3793rd | 3799th |
| Harmonic primes | 3181st | |
| Isolated primes | 6282nd | |
| Long primes | 3199th | |
| Primes | 8449th | 8463rd |
| Pythagorean primes | 4213th | 4221st |
| Sophie germain primes | 1054th | |
| Twin primes (1st member) | 1087th | |
| Roman numberals | ||
| Base 2 | 101010011110001012 | 101010100011011012 |
| Base 3 | 111020221123 | 111021122023 |
| Base 4 | 1110330114 | 1111012314 |
| Base 5 | 102404115 | 102420445 |
| Base 6 | 15104056 | 15112456 |
| Base 7 | 5114067 | 5120367 |
| Base 8 | 2517058 | 2521558 |
| Base 9 | 1422759 | 1424829 |
| Base 10 | 8698110 | 8714910 |
| Base 11 | 5a39411 | 5a52711 |
| Base 12 | 4240512 | 4252512 |
| Base 13 | 3078b13 | 3088a13 |
| Base 14 | 239ad14 | 23a8d14 |
| Base 15 | 1ab8b15 | 1ac4e15 |
| Base 16 | 153c516 | 1546d16 |