Compare 21401 vs 21599
| Property | 21401 | 21599 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 214011 | 215991 |
| Prime factorization | 21401 | 21599 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21401 | 1, 21599 |
| Number of properties | 6 | 6 |
| Chen primes | 1179th | 1190th |
| Cousin primes (2nd member) | 365th | |
| Happy primes | 402nd | |
| Harmonic primes | 892nd | |
| Isolated primes | 1678th | |
| Primes | 2403rd | 2425th |
| Pythagorean primes | 1192nd | |
| Safe primes | 205th | |
| Sexy primes (1st member) | 730th | |
| Twin primes (1st member) | 368th | |
| Roman numberals | ||
| Base 2 | 1010011100110012 | 1010100010111112 |
| Base 3 | 10021001223 | 10021212223 |
| Base 4 | 110321214 | 111011334 |
| Base 5 | 11411015 | 11423445 |
| Base 6 | 2430256 | 2435556 |
| Base 7 | 1162527 | 1166547 |
| Base 8 | 516318 | 521378 |
| Base 9 | 323189 | 325589 |
| Base 10 | 2140110 | 2159910 |
| Base 11 | 1509611 | 1525611 |
| Base 12 | 1047512 | 105bb12 |
| Base 13 | 998313 | 9aa613 |
| Base 14 | 7b2914 | 7c2b14 |
| Base 15 | 651b15 | 65ee15 |
| Base 16 | 539916 | 545f16 |