Compare 172217 vs 172221
| Property | 172217 | 172221 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 4 |
| Total factors | 1 | 4 |
| Prime factorization | 1722171 | 31 × 71 × 591 × 1391 |
| Prime factorization | 172217 | 3 × 7 × 59 × 139 |
| Divisors count | 2 | 16 |
| Divisors | 1, 172217 | 1, 3, 7, 21, 59, 139, 177, 413, 417, 973, 1239, 2919, 8201, 24603, 57407, 172221 |
| Number of properties | 9 | 0 |
| Chen primes | 6650th | |
| Cousin primes (2nd member) | 1886th | |
| Long primes | 5858th | |
| Primes | 15685th | |
| Prime triplets (1st member) | 744th | |
| Prime triplets (2nd member) | 743rd | |
| Pythagorean primes | 7823rd | |
| Sexy primes (1st member) | 3786th | |
| Twin primes (1st member) | 1899th | |
| Roman numberals | ||
| Base 2 | 1010100000101110012 | 1010100000101111012 |
| Base 3 | 222020201023 | 222020201203 |
| Base 4 | 2220023214 | 2220023314 |
| Base 5 | 210023325 | 210023415 |
| Base 6 | 34051456 | 34051536 |
| Base 7 | 13150437 | 13150507 |
| Base 8 | 5202718 | 5202758 |
| Base 9 | 2822129 | 2822169 |
| Base 10 | 17221710 | 17222110 |
| Base 11 | 10843111 | 10843511 |
| Base 12 | 837b512 | 837b912 |
| Base 13 | 6050613 | 6050a13 |
| Base 14 | 46a9314 | 46a9714 |
| Base 15 | 3606215 | 3606615 |
| Base 16 | 2a0b916 | 2a0bd16 |