Compare 20407 vs 20408

Property2040720408
Typeprimecomposite number
Unique factors12
Total factors14
Prime factorization20407123 × 25511
Prime factorization204072 × 2 × 2 × 2551
Divisors count28
Divisors1, 204071, 2, 4, 8, 2551, 5102, 10204, 20408
Number of properties60
Additive primes1072nd 
Chen primes1134th 
Cousin primes (1st member)352nd 
Isolated primes1615th 
Long primes880th 
Primes2306th 
Roman numberals  
Base 210011111011011121001111101110002
Base 31000222211310002222123
Base 4103323134103323204
Base 51123112511231135
Base 623425162342526
Base 711333271133337
Base 8476678476708
Base 9308849308859
Base 1020407102040810
Base 1114372111437311
Base 12b98712b98812
Base 13939a13939b13
Base 14761914761a14
Base 1560a71560a815
Base 164fb7164fb816
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