1. Numbers
  2. Compare 1238 vs 1240

Compare 1238 vs 1240

Property12381240
Typesemiprimecomposite number
Unique factors23
Total factors25
Prime factorization21 × 619123 × 51 × 311
Prime factorization2 × 6192 × 2 × 2 × 5 × 31
Divisors count416
Divisors1, 2, 619, 12381, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240
Number of properties10
Semiprimes364th 
Roman numberalsMCCXXXVIIIMCCXL
Base 2100110101102100110110002
Base 31200212312002213
Base 410311241031204
Base 5144235144305
Base 65422654246
Base 73416734217
Base 82326823308
Base 91625916279
Base 10123810124010
Base 11a2611a2811
Base 128721287412
Base 137431374513
Base 146461464814
Base 155781557a15
Base 164d6164d816
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