1. Numbers
  2. Compare 205421 vs 208991

Compare 205421 vs 208991

Property205421208991
Typeprimeprime
Unique factors11
Total factors11
Prime factorization20542112089911
Prime factorization205421208991
Divisors count22
Divisors1, 2054211, 208991
Number of properties107
Additive primes 7551st
Chen primes7699th7818th
Cousin primes (2nd member)2181st 
Long primes6893rd 
Primes18416th18717th
Prime triplets (1st member)859th871st
Prime triplets (2nd member)858th 
Pythagorean primes9197th 
Sexy primes (1st member)4382nd4448th
Sexy prime triplets (1st member)881st 
Sophie germain primes 2127th
Twin primes (1st member)2208th2244th
Roman numberals  
Base 211001000100110110121100110000010111112
Base 310110221001231011212001023
Base 430202123143030011334
Base 5230331415231414315
Base 64223005642513156
Base 71513616715302067
Base 862115586301378
Base 934270593476129
Base 102054211020899110
Base 111303771113302211
Base 129aa6512a0b3b12
Base 1372668137418313
Base 1454c0d145623d14
Base 1540ceb1541dcb15
Base 163226d163305f16
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