Compare 661187 vs 662939
| Property | 661187 | 662939 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6611871 | 6629391 |
| Prime factorization | 661187 | 662939 |
| Divisors count | 2 | 2 |
| Divisors | 1, 661187 | 1, 662939 |
| Number of properties | 6 | 3 |
| Additive primes | 20948th | |
| Chen primes | 20994th | 21033rd |
| Cousin primes (2nd member) | 5785th | |
| Primes | 53663rd | 53785th |
| Prime triplets (2nd member) | 2106th | |
| Twin primes (1st member) | 5792nd | 5801st |
| Roman numberals | ||
| Base 2 | 101000010110110000112 | 101000011101100110112 |
| Base 3 | 10201202221023 | 10202001010223 |
| Base 4 | 22011230034 | 22013121234 |
| Base 5 | 1321242225 | 1322032245 |
| Base 6 | 221010156 | 221130556 |
| Base 7 | 54224427 | 54305247 |
| Base 8 | 24133038 | 24166338 |
| Base 9 | 12168729 | 12203389 |
| Base 10 | 66118710 | 66293910 |
| Base 11 | 41183a11 | 41309211 |
| Base 12 | 27a76b12 | 27b78b12 |
| Base 13 | 1a1c4713 | 1a299413 |
| Base 14 | 132d5914 | 13384b14 |
| Base 15 | d0d9215 | d165e15 |
| Base 16 | a16c316 | a1d9b16 |