Compare 21001 vs 21101
| Property | 21001 | 21101 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 210011 | 211011 |
| Prime factorization | 21001 | 21101 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21001 | 1, 21101 |
| Number of properties | 5 | 8 |
| Additive primes | 1100th | |
| Chen primes | 1162nd | 1166th |
| Happy primes | 392nd | |
| Harmonic primes | 867th | |
| Isolated primes | 1648th | 1653rd |
| Long primes | 902nd | |
| Primes | 2361st | 2372nd |
| Pythagorean primes | 1173rd | 1178th |
| Sexy primes (1st member) | 718th | |
| Roman numberals | ||
| Base 2 | 1010010000010012 | 1010010011011012 |
| Base 3 | 10012102113 | 10012211123 |
| Base 4 | 110200214 | 110212314 |
| Base 5 | 11330015 | 11334015 |
| Base 6 | 2411216 | 2414056 |
| Base 7 | 1151417 | 1153437 |
| Base 8 | 510118 | 511558 |
| Base 9 | 317249 | 318459 |
| Base 10 | 2100110 | 2110110 |
| Base 11 | 1486211 | 1494311 |
| Base 12 | 101a112 | 1026512 |
| Base 13 | 973613 | 97b213 |
| Base 14 | 792114 | 799314 |
| Base 15 | 635115 | 63bb15 |
| Base 16 | 520916 | 526d16 |