Compare 639997 vs 640039

Property	639997	640039
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	639997¹	640039¹
Prime factorization	639997	640039
Divisors count	2	2
Divisors	1, 639997	1, 640039
Number of properties	4	4
Additive primes	20349th
Cousin primes (1st member)		5632nd
Isolated primes	40813th	40816th
Lucky primes	5977th	5979th
Primes	52074th	52079th
Roman numberals
Base 2	10011100001111111101₂	10011100010000100111₂
Base 3	1012111220121₃	1012111222011₃
Base 4	2130033331₄	2130100213₄
Base 5	130434442₅	130440124₅
Base 6	21414541₆	21415051₆
Base 7	5303611₇	5304001₇
Base 8	2341775₈	2342047₈
Base 9	1174817₉	1174864₉
Base 10	639997₁₀	640039₁₀
Base 11	3a7926₁₁	3a7964₁₁
Base 12	26a451₁₂	26a487₁₂
Base 13	1953c7₁₃	19542a₁₃
Base 14	129341₁₄	129371₁₄
Base 15	c9967₁₅	c9994₁₅
Base 16	9c3fd₁₆	9c427₁₆