1. Numbers
  2. Compare 1213 vs 1871

Compare 1213 vs 1871

Property12131871
Typeprimeprime
Unique factors11
Total factors11
Prime factorization1213118711
Prime factorization12131871
Divisors count22
Divisors1, 12131, 1871
Number of properties711
Additive primes106th151st
Chen primes 176th
Cousin primes (1st member)45th 
Cousin primes (2nd member) 62nd
Emirps52nd 
Good primes49th60th
Isolated primes117th 
Primes198th286th
Prime quadruplets (1st member) 7th
Prime quintuplet 1s (2nd member) 3rd
Prime triplets (1st member) 47th
Prime triplets (2nd member) 46th
Pythagorean primes97th 
Sexy primes (1st member) 122nd
Twin primes (1st member) 57th
Roman numberalsMCCXIIIMDCCCLXXI
Base 2100101111012111010011112
Base 31122221321200223
Base 410233141310334
Base 5143235244415
Base 653416123556
Base 73352753127
Base 82275835178
Base 91587925089
Base 10121310187110
Base 11a0311145111
Base 128511210bb12
Base 1372413b0c13
Base 146291497914
Base 1555d1584b15
Base 164bd1674f16
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