Compare 639940 vs 639941

Property	639940	639941
Type	composite number	prime
Unique factors	4	1
Total factors	6	1
Prime factorization	2² × 5¹ × 7² × 653¹	639941¹
Prime factorization	2 × 2 × 5 × 7 × 7 × 653	639941
Divisors count	36	2
Divisors	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	1, 639941
Number of properties	0	4
Chen primes		20374th
Cousin primes (2nd member)		5631st
Isolated primes		40809th
Primes		52070th
Roman numberals
Base 2	10011100001111000100₂	10011100001111000101₂
Base 3	1012111211111₃	1012111211112₃
Base 4	2130033010₄	2130033011₄
Base 5	130434230₅	130434231₅
Base 6	21414404₆	21414405₆
Base 7	5303500₇	5303501₇
Base 8	2341704₈	2341705₈
Base 9	1174744₉	1174745₉
Base 10	639940₁₀	639941₁₀
Base 11	3a7884₁₁	3a7885₁₁
Base 12	26a404₁₂	26a405₁₂
Base 13	195382₁₃	195383₁₃
Base 14	129300₁₄	129301₁₄
Base 15	c992a₁₅	c992b₁₅
Base 16	9c3c4₁₆	9c3c5₁₆