Compare 121513 vs 121520

Property121513121520
Typesemiprimecomposite number
Unique factors24
Total factors28
Prime factorization71 × 17359124 × 51 × 72 × 311
Prime factorization7 × 173592 × 2 × 2 × 2 × 5 × 7 × 7 × 31
Divisors count460
Divisors1, 7, 17359, 1215131, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 196, 217, 245, 248, 280, 310, 392, 434, 490, 496, 560, 620, 784, 868, 980, 1085, 1240, 1519, 1736, 1960, 2170, 2480, 3038, 3472, 3920, 4340, 6076, 7595, 8680, 12152, 15190, 17360, 24304, 30380, 60760, 121520
Number of properties10
Semiprimes28162nd 
Roman numberals  
Base 2111011010101010012111011010101100002
Base 3200112001113200112002023
Base 413122222141312223004
Base 5123420235123420405
Base 62334321623343326
Base 71014160710142007
Base 835525183552608
Base 920461492046229
Base 101215131012152010
Base 1183327118333311
Base 125a3a1125a3a812
Base 1343402134340913
Base 14323d7143240014
Base 152600d152601515
Base 161daa9161dab016
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