Compare 640039 vs 641143

Property	640039	641143
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	640039¹	641143¹
Prime factorization	640039	641143
Divisors count	2	2
Divisors	1, 640039	1, 641143
Number of properties	4	5
Additive primes		20387th
Cousin primes (1st member)	5632nd
Happy primes		7423rd
Isolated primes	40816th	40884th
Lucky primes	5979th	5984th
Primes	52079th	52161st
Roman numberals
Base 2	10011100010000100111₂	10011100100001110111₂
Base 3	1012111222011₃	1012120111001₃
Base 4	2130100213₄	2130201313₄
Base 5	130440124₅	131004033₅
Base 6	21415051₆	21424131₆
Base 7	5304001₇	5310136₇
Base 8	2342047₈	2344167₈
Base 9	1174864₉	1176431₉
Base 10	640039₁₀	641143₁₀
Base 11	3a7964₁₁	3a8778₁₁
Base 12	26a487₁₂	26b047₁₂
Base 13	19542a₁₃	195a99₁₃
Base 14	129371₁₄	12991d₁₄
Base 15	c9994₁₅	c9e7d₁₅
Base 16	9c427₁₆	9c877₁₆