Compare 199923 vs 199931
| Property | 199923 | 199931 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 1031 × 6471 | 1999311 |
| Prime factorization | 3 × 103 × 647 | 199931 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 103, 309, 647, 1941, 66641, 199923 | 1, 199931 |
| Number of properties | 0 | 6 |
| Chen primes | 7524th | |
| Emirps | 4276th | |
| Harmonic primes | 6757th | |
| Long primes | 6736th | |
| Primes | 17980th | |
| Twin primes (1st member) | 2160th | |
| Roman numberals | ||
| Base 2 | 1100001100111100112 | 1100001100111110112 |
| Base 3 | 1010110201203 | 1010110202123 |
| Base 4 | 3003033034 | 3003033234 |
| Base 5 | 223441435 | 223442115 |
| Base 6 | 41413236 | 41413356 |
| Base 7 | 14616037 | 14616147 |
| Base 8 | 6063638 | 6063738 |
| Base 9 | 3342169 | 3342259 |
| Base 10 | 19992310 | 19993110 |
| Base 11 | 12722911 | 12723611 |
| Base 12 | 9784312 | 9784b12 |
| Base 13 | 6ccc913 | 7000413 |
| Base 14 | 52c0314 | 52c0b14 |
| Base 15 | 3e38315 | 3e38b15 |
| Base 16 | 30cf316 | 30cfb16 |