1. Numbers
  2. Compare 1277 vs 1286

Compare 1277 vs 1286

Property12771286
Typeprimesemiprime
Unique factors12
Total factors12
Prime factorization1277121 × 6431
Prime factorization12772 × 643
Divisors count24
Divisors1, 12771, 2, 643, 1286
Number of properties101
Additive primes111th 
Chen primes134th 
Good primes50th 
Happy primes41st 
Primes206th 
Prime triplets (1st member)33rd 
Pythagorean primes102nd 
Semiprimes 379th
Sexy primes (1st member)89th 
Sexy prime triplets (1st member)34th 
Twin primes (1st member)43rd 
Roman numberalsMCCLXXVIIMCCLXXXVI
Base 2100111111012101000001102
Base 31202022312021223
Base 410333141100124
Base 5201025201215
Base 65525655426
Base 73503735157
Base 82375824068
Base 91668916789
Base 10127710128610
Base 11a6111a6a11
Base 128a5128b212
Base 137731377c13
Base 146731467c14
Base 155a2155ab15
Base 164fd1650616
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