Compare 640223 vs 640249

Property	640223	640249
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	640223¹	640249¹
Prime factorization	640223	640249
Divisors count	2	2
Divisors	1, 640223	1, 640249
Number of properties	5	3
Additive primes	20360th
Cousin primes (2nd member)	5633rd
Isolated primes	40829th
Primes	52094th	52098th
Sexy primes (1st member)	11287th
Twin primes (2nd member)		5635th
Ulam primes		3819th
Roman numberals
Base 2	10011100010011011111₂	10011100010011111001₂
Base 3	1012112012222₃	1012112020221₃
Base 4	2130103133₄	2130103321₄
Base 5	130441343₅	130441444₅
Base 6	21415555₆	21420041₆
Base 7	5304353₇	5304421₇
Base 8	2342337₈	2342371₈
Base 9	1175188₉	1175227₉
Base 10	640223₁₀	640249₁₀
Base 11	3a8011₁₁	3a8035₁₁
Base 12	26a5bb₁₂	26a621₁₂
Base 13	19553c₁₃	19555c₁₃
Base 14	129463₁₄	129481₁₄
Base 15	c9a68₁₅	c9a84₁₅
Base 16	9c4df₁₆	9c4f9₁₆