| Type | composite number | composite number | 
|---|
| Unique factors | 5 | 4 | 
|---|
| Total factors | 7 | 4 | 
|---|
| Prime factorization | 21 × 33 × 171 × 231 × 431 | 21 × 31 × 71 × 216171 | 
|---|
| Prime factorization | 2 × 3 × 3 × 3 × 17 × 23 × 43 | 2 × 3 × 7 × 21617 | 
|---|
| Divisors count | 64 | 16 | 
|---|
| Divisors | 1, 2, 3, 6, 9, 17, 18, 23, 27, 34, 43, 46, 51, 54, 69, 86, 102, 129, 138, 153, 207, 258, 306, 387, 391, 414, 459, 621, 731, 774, 782, 918, 989, 1161, 1173, 1242, 1462, 1978, 2193, 2322, 2346, 2967, 3519, 4386, 5934, 6579, 7038, 8901, 10557, 13158, 16813, 17802, 19737, 21114, 26703, 33626, 39474, 50439, 53406, 100878, 151317, 302634, 453951, 907902 | 1, 2, 3, 6, 7, 14, 21, 42, 21617, 43234, 64851, 129702, 151319, 302638, 453957, 907914 | 
|---|
| Number of properties | 0 | 0 | 
|---|
| Roman numberals |   |   | 
|---|
| Base 2 | 110111011010011111102 | 110111011010100010102 | 
|---|
| Base 3 | 12010101020003 | 12010101021103 | 
|---|
| Base 4 | 31312213324 | 31312220224 | 
|---|
| Base 5 | 2130231025 | 2130231245 | 
|---|
| Base 6 | 312431306 | 312431506 | 
|---|
| Base 7 | 105006427 | 105006607 | 
|---|
| Base 8 | 33551768 | 33552128 | 
|---|
| Base 9 | 16333609 | 16333739 | 
|---|
| Base 10 | 90790210 | 90791410 | 
|---|
| Base 11 | 57013611 | 57014711 | 
|---|
| Base 12 | 3794a612 | 3794b612 | 
|---|
| Base 13 | 25a32813 | 25a33713 | 
|---|
| Base 14 | 198c2214 | 198c3014 | 
|---|
| Base 15 | 12e01c15 | 12e02915 | 
|---|
| Base 16 | dda7e16 | dda8a16 | 
|---|