Compare 100991 vs 100999
| Property | 100991 | 100999 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 111 × 91811 | 1009991 |
| Prime factorization | 11 × 9181 | 100999 |
| Divisors count | 4 | 2 |
| Divisors | 1, 11, 9181, 100991 | 1, 100999 |
| Number of properties | 1 | 3 |
| Harmonic primes | 3656th | |
| Isolated primes | 7214th | |
| Primes | 9673rd | |
| Semiprimes | 23613th | |
| Roman numberals | ||
| Base 2 | 110001010011111112 | 110001010100001112 |
| Base 3 | 120101121023 | 120101122013 |
| Base 4 | 1202213334 | 1202220134 |
| Base 5 | 112124315 | 112124445 |
| Base 6 | 20553156 | 20553316 |
| Base 7 | 6003027 | 6003137 |
| Base 8 | 3051778 | 3052078 |
| Base 9 | 1634729 | 1634819 |
| Base 10 | 10099110 | 10099910 |
| Base 11 | 6997011 | 6997811 |
| Base 12 | 4a53b12 | 4a54712 |
| Base 13 | 36c7713 | 36c8213 |
| Base 14 | 28b3914 | 28b4314 |
| Base 15 | 1edcb15 | 1edd415 |
| Base 16 | 18a7f16 | 18a8716 |