Compare 216991 vs 217001
| Property | 216991 | 217001 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2169911 | 2170011 |
| Prime factorization | 216991 | 217001 |
| Divisors count | 2 | 2 |
| Divisors | 1, 216991 | 1, 217001 |
| Number of properties | 2 | 6 |
| Additive primes | 7837th | |
| Chen primes | 8075th | |
| Harmonic primes | 7259th | |
| Isolated primes | 14764th | |
| Primes | 19363rd | 19364th |
| Pythagorean primes | 9659th | |
| Twin primes (1st member) | 2301st | |
| Roman numberals | ||
| Base 2 | 1101001111100111112 | 1101001111101010012 |
| Base 3 | 1020001222013 | 1020002000023 |
| Base 4 | 3103321334 | 3103322214 |
| Base 5 | 234204315 | 234210015 |
| Base 6 | 43523316 | 43523456 |
| Base 7 | 15624257 | 15624417 |
| Base 8 | 6476378 | 6476518 |
| Base 9 | 3605819 | 3606029 |
| Base 10 | 21699110 | 21700110 |
| Base 11 | 13903511 | 13904411 |
| Base 12 | a56a712 | a56b512 |
| Base 13 | 779c813 | 77a0513 |
| Base 14 | 5911514 | 5912114 |
| Base 15 | 4446115 | 4446b15 |
| Base 16 | 34f9f16 | 34fa916 |