Compare 19901 vs 19921
| Property | 19901 | 19921 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 71 × 28431 | 111 × 18111 |
| Prime factorization | 7 × 2843 | 11 × 1811 |
| Divisors count | 4 | 4 |
| Divisors | 1, 7, 2843, 19901 | 1, 11, 1811, 19921 |
| Number of properties | 1 | 1 |
| Semiprimes | 5062nd | 5067th |
| Roman numberals | ||
| Base 2 | 1001101101111012 | 1001101110100012 |
| Base 3 | 10000220023 | 10000222113 |
| Base 4 | 103123314 | 103131014 |
| Base 5 | 11141015 | 11141415 |
| Base 6 | 2320456 | 2321216 |
| Base 7 | 1120107 | 1120367 |
| Base 8 | 466758 | 467218 |
| Base 9 | 302629 | 302849 |
| Base 10 | 1990110 | 1992110 |
| Base 11 | 13a5211 | 13a7011 |
| Base 12 | b62512 | b64112 |
| Base 13 | 909b13 | 90b513 |
| Base 14 | 737714 | 738d14 |
| Base 15 | 5d6b15 | 5d8115 |
| Base 16 | 4dbd16 | 4dd116 |