1. Numbers
  2. Compare 1211 vs 1223

Compare 1211 vs 1223

Property12111223
Typesemiprimeprime
Unique factors21
Total factors21
Prime factorization71 × 173112231
Prime factorization7 × 1731223
Divisors count42
Divisors1, 7, 173, 12111, 1223
Number of properties110
Emirps 54th
Harmonic primes 70th
Isolated primes 119th
Left-truncatable primes 55th
Long primes 77th
Primes 200th
Semiprimes358th 
Sexy primes (1st member) 87th
Sexy primes (2nd member) 86th
Sexy prime triplets (2nd member) 33rd
Sophie germain primes 43rd
Roman numberalsMCCXIMCCXXIII
Base 2100101110112100110001112
Base 31122212312000223
Base 410232341030134
Base 5143215143435
Base 65335653556
Base 73350733657
Base 82273823078
Base 91585916089
Base 10121110122310
Base 11a0111a1211
Base 1284b1285b12
Base 137221373113
Base 146271463514
Base 1555b1556815
Base 164bb164c716
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