1. Numbers
  2. Compare 20399 vs 20400

Compare 20399 vs 20400

Property2039920400
Typeprimecomposite number
Unique factors14
Total factors18
Prime factorization20399124 × 31 × 52 × 171
Prime factorization203992 × 2 × 2 × 2 × 3 × 5 × 5 × 17
Divisors count260
Divisors1, 203991, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 25, 30, 34, 40, 48, 50, 51, 60, 68, 75, 80, 85, 100, 102, 120, 136, 150, 170, 200, 204, 240, 255, 272, 300, 340, 400, 408, 425, 510, 600, 680, 816, 850, 1020, 1200, 1275, 1360, 1700, 2040, 2550, 3400, 4080, 5100, 6800, 10200, 20400
Number of properties60
Additive primes1071st 
Chen primes1133rd 
Isolated primes1614th 
Primes2305th 
Sexy primes (2nd member)705th 
Ulam primes169th 
Roman numberals  
Base 210011111010111121001111101100002
Base 31000222112310002221203
Base 4103322334103323004
Base 51123044511231005
Base 623423562342406
Base 711332171133227
Base 8476578476608
Base 9308759308769
Base 1020399102040010
Base 1114365111436611
Base 12b97b12b98012
Base 13939213939313
Base 14761114761214
Base 15609e1560a015
Base 164faf164fb016
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