1. Numbers
  2. Compare 20807 vs 20808

Compare 20807 vs 20808

Property2080720808
Typeprimecomposite number
Unique factors13
Total factors17
Prime factorization20807123 × 32 × 172
Prime factorization208072 × 2 × 2 × 3 × 3 × 17 × 17
Divisors count236
Divisors1, 208071, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 102, 136, 153, 204, 289, 306, 408, 578, 612, 867, 1156, 1224, 1734, 2312, 2601, 3468, 5202, 6936, 10404, 20808
Number of properties70
Additive primes1090th 
Chen primes1154th 
Harmonic primes858th 
Long primes890th 
Primes2343rd 
Twin primes (1st member)355th 
Ulam primes174th 
Roman numberals  
Base 210100010100011121010001010010002
Base 31001112122310011122003
Base 4110110134110110204
Base 51131212511312135
Base 624015562402006
Base 711444371144447
Base 8505078505108
Base 9314789314809
Base 1020807102080810
Base 11146a611146a711
Base 121005b121006012
Base 13961713961813
Base 14782314782414
Base 15627215627315
Base 16514716514816
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