Compare 19978 vs 19990
| Property | 19978 | 19990 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 3 |
| Total factors | 3 | 3 |
| Prime factorization | 21 × 71 × 14271 | 21 × 51 × 19991 |
| Prime factorization | 2 × 7 × 1427 | 2 × 5 × 1999 |
| Divisors count | 8 | 8 |
| Divisors | 1, 2, 7, 14, 1427, 2854, 9989, 19978 | 1, 2, 5, 10, 1999, 3998, 9995, 19990 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 1001110000010102 | 1001110000101102 |
| Base 3 | 10001012213 | 10001021013 |
| Base 4 | 103200224 | 103201124 |
| Base 5 | 11144035 | 11144305 |
| Base 6 | 2322546 | 2323146 |
| Base 7 | 1121507 | 1121657 |
| Base 8 | 470128 | 470268 |
| Base 9 | 303579 | 303719 |
| Base 10 | 1997810 | 1999010 |
| Base 11 | 1401211 | 1402311 |
| Base 12 | b68a12 | b69a12 |
| Base 13 | 912a13 | 913913 |
| Base 14 | 73d014 | 73dc14 |
| Base 15 | 5dbd15 | 5dca15 |
| Base 16 | 4e0a16 | 4e1616 |