1. Numbers
  2. Compare 1217 vs 1220

Compare 1217 vs 1220

Property12171220
Typeprimecomposite number
Unique factors13
Total factors14
Prime factorization1217122 × 51 × 611
Prime factorization12172 × 2 × 5 × 61
Divisors count212
Divisors1, 12171, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220
Number of properties120
Additive primes107th 
Chen primes131st 
Cousin primes (2nd member)45th 
Emirps53rd 
Isolated primes118th 
Long primes76th 
Primes199th 
Proth primes19th 
Pythagorean primes98th 
Sexy primes (1st member)86th 
Sexy prime triplets (1st member)33rd 
Super primes46th 
Roman numberalsMCCXVIIMCCXX
Base 2100110000012100110001002
Base 31200002312000123
Base 410300141030104
Base 5143325143405
Base 65345653526
Base 73356733627
Base 82301823048
Base 91602916059
Base 10121710122010
Base 11a0711a0a11
Base 128551285812
Base 137281372b13
Base 1462d1463214
Base 155621556515
Base 164c1164c416
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