Compare 18120 vs 18131
| Property | 18120 | 18131 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 4 | 1 |
| Total factors | 6 | 1 |
| Prime factorization | 23 × 31 × 51 × 1511 | 181311 |
| Prime factorization | 2 × 2 × 2 × 3 × 5 × 151 | 18131 |
| Divisors count | 32 | 2 |
| Divisors | 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 151, 302, 453, 604, 755, 906, 1208, 1510, 1812, 2265, 3020, 3624, 4530, 6040, 9060, 18120 | 1, 18131 |
| Number of properties | 0 | 6 |
| Chen primes | 1032nd | |
| Cousin primes (2nd member) | 324th | |
| Primes | 2078th | |
| Prime triplets (2nd member) | 157th | |
| Sophie germain primes | 301st | |
| Twin primes (1st member) | 320th | |
| Roman numberals | ||
| Base 2 | 1000110110010002 | 1000110110100112 |
| Base 3 | 2202120103 | 2202121123 |
| Base 4 | 101230204 | 101231034 |
| Base 5 | 10344405 | 10400115 |
| Base 6 | 2155206 | 2155356 |
| Base 7 | 1035547 | 1036017 |
| Base 8 | 433108 | 433238 |
| Base 9 | 267639 | 267759 |
| Base 10 | 1812010 | 1813110 |
| Base 11 | 1268311 | 1269311 |
| Base 12 | a5a012 | a5ab12 |
| Base 13 | 832b13 | 833913 |
| Base 14 | 686414 | 687114 |
| Base 15 | 558015 | 558b15 |
| Base 16 | 46c816 | 46d316 |