1. Numbers
  2. Compare 20807 vs 20812

Compare 20807 vs 20812

Property2080720812
Typeprimecomposite number
Unique factors13
Total factors15
Prime factorization20807122 × 112 × 431
Prime factorization208072 × 2 × 11 × 11 × 43
Divisors count218
Divisors1, 208071, 2, 4, 11, 22, 43, 44, 86, 121, 172, 242, 473, 484, 946, 1892, 5203, 10406, 20812
Number of properties70
Additive primes1090th 
Chen primes1154th 
Harmonic primes858th 
Long primes890th 
Primes2343rd 
Twin primes (1st member)355th 
Ulam primes174th 
Roman numberals  
Base 210100010100011121010001010011002
Base 31001112122310011122113
Base 4110110134110110304
Base 51131212511312225
Base 624015562402046
Base 711444371144517
Base 8505078505148
Base 9314789314849
Base 1020807102081210
Base 11146a6111470011
Base 121005b121006412
Base 13961713961c13
Base 14782314782814
Base 15627215627715
Base 16514716514c16
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