Compare 209971 vs 210139
| Property | 209971 | 210139 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2099711 | 2101391 |
| Prime factorization | 209971 | 210139 |
| Divisors count | 2 | 2 |
| Divisors | 1, 209971 | 1, 210139 |
| Number of properties | 7 | 5 |
| Chen primes | 7854th | |
| Cousin primes (1st member) | 2229th | |
| Harmonic primes | 7048th | |
| Isolated primes | 14299th | 14315th |
| Long primes | 7034th | 7042nd |
| Primes | 18804th | 18820th |
| Sexy primes (1st member) | 4465th | |
| Sexy prime triplets (1st member) | 900th | |
| Ulam primes | 1348th | |
| Roman numberals | ||
| Base 2 | 1100110100001100112 | 1100110100110110112 |
| Base 3 | 1012000002013 | 1012000202213 |
| Base 4 | 3031003034 | 3031031234 |
| Base 5 | 232043415 | 232110245 |
| Base 6 | 43000316 | 43005116 |
| Base 7 | 15331067 | 15334367 |
| Base 8 | 6320638 | 6323338 |
| Base 9 | 3500219 | 3502279 |
| Base 10 | 20997110 | 21013910 |
| Base 11 | 13383311 | 13397611 |
| Base 12 | a161712 | a173712 |
| Base 13 | 7475813 | 7485713 |
| Base 14 | 5673d14 | 5681d14 |
| Base 15 | 4233115 | 423e415 |
| Base 16 | 3343316 | 334db16 |