Compare 639941 vs 639949

Property	639941	639949
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	639941¹	639949¹
Prime factorization	639941	639949
Divisors count	2	2
Divisors	1, 639941	1, 639949
Number of properties	4	3
Chen primes	20374th
Cousin primes (2nd member)	5631st
Isolated primes	40809th	40810th
Primes	52070th	52071st
Ulam primes		3816th
Roman numberals
Base 2	10011100001111000101₂	10011100001111001101₂
Base 3	1012111211112₃	1012111211211₃
Base 4	2130033011₄	2130033031₄
Base 5	130434231₅	130434244₅
Base 6	21414405₆	21414421₆
Base 7	5303501₇	5303512₇
Base 8	2341705₈	2341715₈
Base 9	1174745₉	1174754₉
Base 10	639941₁₀	639949₁₀
Base 11	3a7885₁₁	3a7892₁₁
Base 12	26a405₁₂	26a411₁₂
Base 13	195383₁₃	19538b₁₃
Base 14	129301₁₄	129309₁₄
Base 15	c992b₁₅	c9934₁₅
Base 16	9c3c5₁₆	9c3cd₁₆