Compare 621139 vs 621147
| Property | 621139 | 621147 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 6211391 | 31 × 311 × 66791 |
| Prime factorization | 621139 | 3 × 31 × 6679 |
| Divisors count | 2 | 8 |
| Divisors | 1, 621139 | 1, 3, 31, 93, 6679, 20037, 207049, 621147 |
| Number of properties | 5 | 0 |
| Centered triangular primes | 111th | |
| Cousin primes (1st member) | 5494th | |
| Isolated primes | 39732nd | |
| Primes | 50701st | |
| Sexy primes (2nd member) | 11015th | |
| Roman numberals | ||
| Base 2 | 100101111010010100112 | 100101111010010110112 |
| Base 3 | 10111200010113 | 10111200011103 |
| Base 4 | 21132211034 | 21132211234 |
| Base 5 | 1243340245 | 1243340425 |
| Base 6 | 211513516 | 211514036 |
| Base 7 | 51646217 | 51646327 |
| Base 8 | 22751238 | 22751338 |
| Base 9 | 11460349 | 11460439 |
| Base 10 | 62113910 | 62114710 |
| Base 11 | 39474211 | 39474a11 |
| Base 12 | 25b55712 | 25b56312 |
| Base 13 | 18994c13 | 18995713 |
| Base 14 | 12251114 | 12251914 |
| Base 15 | c409415 | c409c15 |
| Base 16 | 97a5316 | 97a5b16 |