Compare 21013 vs 21613
| Property | 21013 | 21613 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 210131 | 216131 |
| Prime factorization | 21013 | 21613 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21013 | 1, 21613 |
| Number of properties | 13 | 8 |
| Additive primes | 1095th | 1126th |
| Centered square primes | 37th | |
| Cousin primes (1st member) | 358th | 370th |
| Harmonic primes | 868th | |
| Left-truncatable primes | 172nd | |
| Lucky primes | 384th | 392nd |
| Primes | 2363rd | 2428th |
| Prime quadruplets (2nd member) | 20th | |
| Prime quintuplet 2s (2nd member) | 7th | |
| Prime triplets (1st member) | 176th | |
| Prime triplets (2nd member) | 175th | 185th |
| Pythagorean primes | 1174th | 1204th |
| Sexy primes (1st member) | 715th | |
| Twin primes (2nd member) | 358th | 369th |
| Roman numberals | ||
| Base 2 | 1010010000101012 | 1010100011011012 |
| Base 3 | 10012110213 | 10021221113 |
| Base 4 | 110201114 | 111012314 |
| Base 5 | 11330235 | 11424235 |
| Base 6 | 2411416 | 2440216 |
| Base 7 | 1151567 | 1200047 |
| Base 8 | 510258 | 521558 |
| Base 9 | 317379 | 325749 |
| Base 10 | 2101310 | 2161310 |
| Base 11 | 1487311 | 1526911 |
| Base 12 | 101b112 | 1061112 |
| Base 13 | 974513 | 9ab713 |
| Base 14 | 792d14 | 7c3b14 |
| Base 15 | 635d15 | 660d15 |
| Base 16 | 521516 | 546d16 |