Compare 640380 vs 640391

Property	640380	640391
Type	composite number	semiprime
Unique factors	5	2
Total factors	6	2
Prime factorization	2² × 3¹ × 5¹ × 13¹ × 821¹	151¹ × 4241¹
Prime factorization	2 × 2 × 3 × 5 × 13 × 821	151 × 4241
Divisors count	48	4
Divisors	1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 821, 1642, 2463, 3284, 4105, 4926, 8210, 9852, 10673, 12315, 16420, 21346, 24630, 32019, 42692, 49260, 53365, 64038, 106730, 128076, 160095, 213460, 320190, 640380	1, 151, 4241, 640391
Number of properties	0	1
Semiprimes		137221st
Roman numberals
Base 2	10011100010101111100₂	10011100010110000111₂
Base 3	1012112102210₃	1012112110012₃
Base 4	2130111330₄	2130112013₄
Base 5	130443010₅	130443031₅
Base 6	21420420₆	21420435₆
Base 7	5304666₇	5305013₇
Base 8	2342574₈	2342607₈
Base 9	1175383₉	1175405₉
Base 10	640380₁₀	640391₁₀
Base 11	3a8144₁₁	3a8154₁₁
Base 12	26a710₁₂	26a71b₁₂
Base 13	195630₁₃	19563b₁₃
Base 14	129536₁₄	129543₁₄
Base 15	c9b20₁₅	c9b2b₁₅
Base 16	9c57c₁₆	9c587₁₆