Compare 640223 vs 640369

Property	640223	640369
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	640223¹	640369¹
Prime factorization	640223	640369
Divisors count	2	2
Divisors	1, 640223	1, 640369
Number of properties	5	4
Additive primes	20360th
Cousin primes (2nd member)	5633rd
Isolated primes	40829th	40836th
Lucky primes		5982nd
Primes	52094th	52107th
Sexy primes (1st member)	11287th
Sexy primes (2nd member)		11289th
Roman numberals
Base 2	10011100010011011111₂	10011100010101110001₂
Base 3	1012112012222₃	1012112102101₃
Base 4	2130103133₄	2130111301₄
Base 5	130441343₅	130442434₅
Base 6	21415555₆	21420401₆
Base 7	5304353₇	5304652₇
Base 8	2342337₈	2342561₈
Base 9	1175188₉	1175371₉
Base 10	640223₁₀	640369₁₀
Base 11	3a8011₁₁	3a8134₁₁
Base 12	26a5bb₁₂	26a701₁₂
Base 13	19553c₁₃	195622₁₃
Base 14	129463₁₄	129529₁₄
Base 15	c9a68₁₅	c9b14₁₅
Base 16	9c4df₁₆	9c571₁₆