Compare 638977 vs 640039

Property	638977	640039
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	638977¹	640039¹
Prime factorization	638977	640039
Divisors count	2	2
Divisors	1, 638977	1, 640039
Number of properties	5	4
Cousin primes (1st member)		5632nd
Isolated primes	40753rd	40816th
Lucky primes	5967th	5979th
Primes	52000th	52079th
Proth primes	194th
Sexy primes (2nd member)	11267th
Roman numberals
Base 2	10011100000000000001₂	10011100010000100111₂
Base 3	1012110111211₃	1012111222011₃
Base 4	2130000001₄	2130100213₄
Base 5	130421402₅	130440124₅
Base 6	21410121₆	21415051₆
Base 7	5300623₇	5304001₇
Base 8	2340001₈	2342047₈
Base 9	1173454₉	1174864₉
Base 10	638977₁₀	640039₁₀
Base 11	3a7089₁₁	3a7964₁₁
Base 12	269941₁₂	26a487₁₂
Base 13	194ac1₁₃	19542a₁₃
Base 14	128c13₁₄	129371₁₄
Base 15	c94d7₁₅	c9994₁₅
Base 16	9c001₁₆	9c427₁₆