1. Numbers
  2. Compare 666427 vs 666428

Compare 666427 vs 666428

Property666427666428
Typeprimecomposite number
Unique factors13
Total factors14
Prime factorization666427122 × 71 × 238011
Prime factorization6664272 × 2 × 7 × 23801
Divisors count212
Divisors1, 6664271, 2, 4, 7, 14, 28, 23801, 47602, 95204, 166607, 333214, 666428
Number of properties80
Additive primes21099th 
Cousin primes (1st member)5828th 
Isolated primes42387th 
Primes54050th 
Prime quintuplet 1s (1st member)26th 
Prime triplets (1st member)2127th 
Sexy primes (1st member)11663rd 
Sexy prime triplets (1st member)2125th 
Roman numberals  
Base 2101000101011001110112101000101011001111002
Base 31020212011111310202120111123
Base 42202230323422022303304
Base 513231120251323112035
Base 6221411516221411526
Base 75443636754436407
Base 82425473824254748
Base 91225144912251459
Base 106664271066642810
Base 114157731141577411
Base 122817b7122817b812
Base 131a4448131a444913
Base 14134c1d14134c2014
Base 15d26d715d26d815
Base 16a2b3b16a2b3c16
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