1. Numbers
  2. Compare 1277 vs 1281

Compare 1277 vs 1281

Property12771281
Typeprimecomposite number
Unique factors13
Total factors13
Prime factorization1277131 × 71 × 611
Prime factorization12773 × 7 × 61
Divisors count28
Divisors1, 12771, 3, 7, 21, 61, 183, 427, 1281
Number of properties100
Additive primes111th 
Chen primes134th 
Good primes50th 
Happy primes41st 
Primes206th 
Prime triplets (1st member)33rd 
Pythagorean primes102nd 
Sexy primes (1st member)89th 
Sexy prime triplets (1st member)34th 
Twin primes (1st member)43rd 
Roman numberalsMCCLXXVIIMCCLXXXI
Base 2100111111012101000000012
Base 31202022312021103
Base 410333141100014
Base 5201025201115
Base 65525655336
Base 73503735107
Base 82375824018
Base 91668916739
Base 10127710128110
Base 11a6111a6511
Base 128a5128a912
Base 137731377713
Base 146731467714
Base 155a2155a615
Base 164fd1650116
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