1. Numbers
  2. Compare 20809 vs 20812

Compare 20809 vs 20812

Property2080920812
Typeprimecomposite number
Unique factors13
Total factors15
Prime factorization20809122 × 112 × 431
Prime factorization208092 × 2 × 11 × 11 × 43
Divisors count218
Divisors1, 208091, 2, 4, 11, 22, 43, 44, 86, 121, 172, 242, 473, 484, 946, 1892, 5203, 10406, 20812
Number of properties50
Additive primes1091st 
Harmonic primes859th 
Primes2344th 
Pythagorean primes1165th 
Twin primes (2nd member)355th 
Roman numberals  
Base 210100010100100121010001010011002
Base 31001112201310011122113
Base 4110110214110110304
Base 51131214511312225
Base 624020162402046
Base 711444571144517
Base 8505118505148
Base 9314819314849
Base 1020809102081210
Base 11146a8111470011
Base 1210061121006412
Base 13961913961c13
Base 14782514782814
Base 15627415627715
Base 16514916514c16
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