Compare 221311 vs 221313
| Property | 221311 | 221313 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 2213111 | 31 × 737711 |
| Prime factorization | 221311 | 3 × 73771 |
| Divisors count | 2 | 4 |
| Divisors | 1, 221311 | 1, 3, 73771, 221313 |
| Number of properties | 4 | 1 |
| Chen primes | 8218th | |
| Isolated primes | 15045th | |
| Primes | 19722nd | |
| Semiprimes | 49805th | |
| Sexy primes (1st member) | 4665th | |
| Roman numberals | ||
| Base 2 | 1101100000011111112 | 1101100000100000012 |
| Base 3 | 1020201202013 | 1020201202103 |
| Base 4 | 3120013334 | 3120020014 |
| Base 5 | 240402215 | 240402235 |
| Base 6 | 44243316 | 44243336 |
| Base 7 | 16111367 | 16111417 |
| Base 8 | 6601778 | 6602018 |
| Base 9 | 3665219 | 3665239 |
| Base 10 | 22131110 | 22131310 |
| Base 11 | 14130211 | 14130411 |
| Base 12 | a80a712 | a80a912 |
| Base 13 | 7996c13 | 7997113 |
| Base 14 | 5a91d14 | 5a92114 |
| Base 15 | 4589115 | 4589315 |
| Base 16 | 3607f16 | 3608116 |