Compare 640223 vs 640669

Property	640223	640669
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	640223¹	640669¹
Prime factorization	640223	640669
Divisors count	2	2
Divisors	1, 640223	1, 640669
Number of properties	5	6
Additive primes	20360th	20372nd
Chen primes		20396th
Cousin primes (2nd member)	5633rd
Isolated primes	40829th
Primes	52094th	52126th
Prime triplets (3rd member)		2063rd
Sexy primes (1st member)	11287th
Sexy primes (2nd member)		11293rd
Twin primes (2nd member)		5638th
Roman numberals
Base 2	10011100010011011111₂	10011100011010011101₂
Base 3	1012112012222₃	1012112211111₃
Base 4	2130103133₄	2130122131₄
Base 5	130441343₅	131000134₅
Base 6	21415555₆	21422021₆
Base 7	5304353₇	5305561₇
Base 8	2342337₈	2343235₈
Base 9	1175188₉	1175744₉
Base 10	640223₁₀	640669₁₀
Base 11	3a8011₁₁	3a8387₁₁
Base 12	26a5bb₁₂	26a911₁₂
Base 13	19553c₁₃	1957c3₁₃
Base 14	129463₁₄	1296a1₁₄
Base 15	c9a68₁₅	c9c64₁₅
Base 16	9c4df₁₆	9c69d₁₆