Compare 640039 vs 640061

Property	640039	640061
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	640039¹	640061¹
Prime factorization	640039	640061
Divisors count	2	2
Divisors	1, 640039	1, 640061
Number of properties	4	4
Additive primes		20355th
Chen primes		20380th
Cousin primes (1st member)	5632nd
Isolated primes	40816th	40819th
Lucky primes	5979th
Primes	52079th	52082nd
Roman numberals
Base 2	10011100010000100111₂	10011100010000111101₂
Base 3	1012111222011₃	1012111222222₃
Base 4	2130100213₄	2130100331₄
Base 5	130440124₅	130440221₅
Base 6	21415051₆	21415125₆
Base 7	5304001₇	5304032₇
Base 8	2342047₈	2342075₈
Base 9	1174864₉	1174888₉
Base 10	640039₁₀	640061₁₀
Base 11	3a7964₁₁	3a7984₁₁
Base 12	26a487₁₂	26a4a5₁₂
Base 13	19542a₁₃	195446₁₃
Base 14	129371₁₄	129389₁₄
Base 15	c9994₁₅	c99ab₁₅
Base 16	9c427₁₆	9c43d₁₆