Compare 640369 vs 640457

Property	640369	640457
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	640369¹	640457¹
Prime factorization	640369	640457
Divisors count	2	2
Divisors	1, 640369	1, 640457
Number of properties	4	4
Chen primes		20391st
Isolated primes	40836th	40839th
Lucky primes	5982nd
Primes	52107th	52110th
Sexy primes (1st member)		11290th
Sexy primes (2nd member)	11289th
Roman numberals
Base 2	10011100010101110001₂	10011100010111001001₂
Base 3	1012112102101₃	1012112112122₃
Base 4	2130111301₄	2130113021₄
Base 5	130442434₅	130443312₅
Base 6	21420401₆	21421025₆
Base 7	5304652₇	5305136₇
Base 8	2342561₈	2342711₈
Base 9	1175371₉	1175478₉
Base 10	640369₁₀	640457₁₀
Base 11	3a8134₁₁	3a8204₁₁
Base 12	26a701₁₂	26a775₁₂
Base 13	195622₁₃	19568c₁₃
Base 14	129529₁₄	12958d₁₄
Base 15	c9b14₁₅	c9b72₁₅
Base 16	9c571₁₆	9c5c9₁₆