Compare 639937 vs 639940

Property	639937	639940
Type	prime	composite number
Unique factors	1	4
Total factors	1	6
Prime factorization	639937¹	2² × 5¹ × 7² × 653¹
Prime factorization	639937	2 × 2 × 5 × 7 × 7 × 653
Divisors count	2	36
Divisors	1, 639937	1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 653, 980, 1306, 2612, 3265, 4571, 6530, 9142, 13060, 18284, 22855, 31997, 45710, 63994, 91420, 127988, 159985, 319970, 639940
Number of properties	6	0
Additive primes	20347th
Cousin primes (1st member)	5631st
Good primes	1986th
Isolated primes	40808th
Primes	52069th
Super primes	5326th
Roman numberals
Base 2	10011100001111000001₂	10011100001111000100₂
Base 3	1012111211101₃	1012111211111₃
Base 4	2130033001₄	2130033010₄
Base 5	130434222₅	130434230₅
Base 6	21414401₆	21414404₆
Base 7	5303464₇	5303500₇
Base 8	2341701₈	2341704₈
Base 9	1174741₉	1174744₉
Base 10	639937₁₀	639940₁₀
Base 11	3a7881₁₁	3a7884₁₁
Base 12	26a401₁₂	26a404₁₂
Base 13	19537c₁₃	195382₁₃
Base 14	1292db₁₄	129300₁₄
Base 15	c9927₁₅	c992a₁₅
Base 16	9c3c1₁₆	9c3c4₁₆