1. Numbers
  2. Compare 20809 vs 20820

Compare 20809 vs 20820

Property2080920820
Typeprimecomposite number
Unique factors14
Total factors15
Prime factorization20809122 × 31 × 51 × 3471
Prime factorization208092 × 2 × 3 × 5 × 347
Divisors count224
Divisors1, 208091, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 347, 694, 1041, 1388, 1735, 2082, 3470, 4164, 5205, 6940, 10410, 20820
Number of properties50
Additive primes1091st 
Harmonic primes859th 
Primes2344th 
Pythagorean primes1165th 
Twin primes (2nd member)355th 
Roman numberals  
Base 210100010100100121010001010101002
Base 31001112201310011200103
Base 4110110214110111104
Base 51131214511312405
Base 624020162402206
Base 711444571144627
Base 8505118505248
Base 9314819315039
Base 1020809102082010
Base 11146a8111470811
Base 1210061121007012
Base 13961913962713
Base 14782514783214
Base 15627415628015
Base 16514916515416
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