Compare 221909 vs 221912
Property | 221909 | 221912 |
---|---|---|
Type | prime | composite number |
Unique factors | 1 | 2 |
Total factors | 1 | 4 |
Prime factorization | 2219091 | 23 × 277391 |
Prime factorization | 221909 | 2 × 2 × 2 × 27739 |
Divisors count | 2 | 8 |
Divisors | 1, 221909 | 1, 2, 4, 8, 27739, 55478, 110956, 221912 |
Number of properties | 5 | 0 |
Additive primes | 8003rd | |
Isolated primes | 15080th | |
Long primes | 7396th | |
Primes | 19769th | |
Pythagorean primes | 9865th | |
Roman numberals | ||
Base 2 | 1101100010110101012 | 1101100010110110002 |
Base 3 | 1020211012123 | 1020211012223 |
Base 4 | 3120231114 | 3120231204 |
Base 5 | 241001145 | 241001225 |
Base 6 | 44312056 | 44312126 |
Base 7 | 16126527 | 16126557 |
Base 8 | 6613258 | 6613308 |
Base 9 | 3673559 | 3673589 |
Base 10 | 22190910 | 22191210 |
Base 11 | 1417a611 | 1417a911 |
Base 12 | a850512 | a850812 |
Base 13 | 7a00c13 | 7a01213 |
Base 14 | 5ac2914 | 5ac2c14 |
Base 15 | 45b3e15 | 45b4215 |
Base 16 | 362d516 | 362d816 |