Compare 12157 vs 12907
| Property | 12157 | 12907 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 121571 | 129071 |
| Prime factorization | 12157 | 12907 |
| Divisors count | 2 | 2 |
| Divisors | 1, 12157 | 1, 12907 |
| Number of properties | 6 | 7 |
| Additive primes | 743rd | |
| Cousin primes (1st member) | 237th | 247th |
| Emirps | 361st | |
| Harmonic primes | 551st | |
| Isolated primes | 980th | 1047th |
| Lucky primes | 261st | |
| Primes | 1455th | 1536th |
| Prime triplets (1st member) | 124th | |
| Pythagorean primes | 717th | |
| Sexy primes (1st member) | 469th | |
| Roman numberals | ||
| Base 2 | 101111011111012 | 110010011010112 |
| Base 3 | 1212000213 | 1222010013 |
| Base 4 | 23313314 | 30212234 |
| Base 5 | 3421125 | 4031125 |
| Base 6 | 1321416 | 1354316 |
| Base 7 | 503057 | 524267 |
| Base 8 | 275758 | 311538 |
| Base 9 | 176079 | 186319 |
| Base 10 | 1215710 | 1290710 |
| Base 11 | 915211 | 977411 |
| Base 12 | 705112 | 757712 |
| Base 13 | 56c213 | 5b4b13 |
| Base 14 | 460514 | 49bd14 |
| Base 15 | 390715 | 3c5715 |
| Base 16 | 2f7d16 | 326b16 |