1. Numbers
  2. Compare 1213 vs 1220

Compare 1213 vs 1220

Property12131220
Typeprimecomposite number
Unique factors13
Total factors14
Prime factorization1213122 × 51 × 611
Prime factorization12132 × 2 × 5 × 61
Divisors count212
Divisors1, 12131, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220
Number of properties70
Additive primes106th 
Cousin primes (1st member)45th 
Emirps52nd 
Good primes49th 
Isolated primes117th 
Primes198th 
Pythagorean primes97th 
Roman numberalsMCCXIIIMCCXX
Base 2100101111012100110001002
Base 31122221312000123
Base 410233141030104
Base 5143235143405
Base 65341653526
Base 73352733627
Base 82275823048
Base 91587916059
Base 10121310122010
Base 11a0311a0a11
Base 128511285812
Base 137241372b13
Base 146291463214
Base 1555d1556515
Base 164bd164c416
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