Compare 21661 vs 21893
| Property | 21661 | 21893 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 216611 | 218931 |
| Prime factorization | 21661 | 21893 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21661 | 1, 21893 |
| Number of properties | 4 | 5 |
| Additive primes | 1136th | |
| Harmonic primes | 894th | |
| Isolated primes | 1693rd | 1713th |
| Primes | 2432nd | 2456th |
| Pythagorean primes | 1207th | 1218th |
| Sophie germain primes | 354th | |
| Roman numberals | ||
| Base 2 | 1010100100111012 | 1010101100001012 |
| Base 3 | 10022010213 | 10100002123 |
| Base 4 | 111021314 | 111120114 |
| Base 5 | 11431215 | 12000335 |
| Base 6 | 2441416 | 2452056 |
| Base 7 | 1201037 | 1205547 |
| Base 8 | 522358 | 526058 |
| Base 9 | 326379 | 330259 |
| Base 10 | 2166110 | 2189310 |
| Base 11 | 1530211 | 154a311 |
| Base 12 | 1065112 | 1080512 |
| Base 13 | 9b2313 | 9c7113 |
| Base 14 | 7c7314 | 7d9b14 |
| Base 15 | 664115 | 674815 |
| Base 16 | 549d16 | 558516 |