| Type | composite number | composite number | 
|---|
| Unique factors | 5 | 3 | 
|---|
| Total factors | 7 | 3 | 
|---|
| Prime factorization | 21 × 33 × 51 × 171 × 1991 | 21 × 111 × 415191 | 
|---|
| Prime factorization | 2 × 3 × 3 × 3 × 5 × 17 × 199 | 2 × 11 × 41519 | 
|---|
| Divisors count | 64 | 8 | 
|---|
| Divisors | 1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 34, 45, 51, 54, 85, 90, 102, 135, 153, 170, 199, 255, 270, 306, 398, 459, 510, 597, 765, 918, 995, 1194, 1530, 1791, 1990, 2295, 2985, 3383, 3582, 4590, 5373, 5970, 6766, 8955, 10149, 10746, 16915, 17910, 20298, 26865, 30447, 33830, 50745, 53730, 60894, 91341, 101490, 152235, 182682, 304470, 456705, 913410 | 1, 2, 11, 22, 41519, 83038, 456709, 913418 | 
|---|
| Number of properties | 0 | 0 | 
|---|
| Roman numberals |   |   | 
|---|
| Base 2 | 110111110000000000102 | 110111110000000010102 | 
|---|
| Base 3 | 12011012220003 | 12011012220223 | 
|---|
| Base 4 | 31330000024 | 31330000224 | 
|---|
| Base 5 | 2132121205 | 2132121335 | 
|---|
| Base 6 | 313244306 | 313244426 | 
|---|
| Base 7 | 105230017 | 105230127 | 
|---|
| Base 8 | 33700028 | 33700128 | 
|---|
| Base 9 | 16418609 | 16418689 | 
|---|
| Base 10 | 91341010 | 91341810 | 
|---|
| Base 11 | 57429311 | 5742a011 | 
|---|
| Base 12 | 38071612 | 38072212 | 
|---|
| Base 13 | 25c9a413 | 25c9ac13 | 
|---|
| Base 14 | 19ac3814 | 19ac4214 | 
|---|
| Base 15 | 13099015 | 13099815 | 
|---|
| Base 16 | df00216 | df00a16 | 
|---|