Compare 640457 vs 640669

Property	640457	640669
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	640457¹	640669¹
Prime factorization	640457	640669
Divisors count	2	2
Divisors	1, 640457	1, 640669
Number of properties	4	6
Additive primes		20372nd
Chen primes	20391st	20396th
Isolated primes	40839th
Primes	52110th	52126th
Prime triplets (3rd member)		2063rd
Sexy primes (1st member)	11290th
Sexy primes (2nd member)		11293rd
Twin primes (2nd member)		5638th
Roman numberals
Base 2	10011100010111001001₂	10011100011010011101₂
Base 3	1012112112122₃	1012112211111₃
Base 4	2130113021₄	2130122131₄
Base 5	130443312₅	131000134₅
Base 6	21421025₆	21422021₆
Base 7	5305136₇	5305561₇
Base 8	2342711₈	2343235₈
Base 9	1175478₉	1175744₉
Base 10	640457₁₀	640669₁₀
Base 11	3a8204₁₁	3a8387₁₁
Base 12	26a775₁₂	26a911₁₂
Base 13	19568c₁₃	1957c3₁₃
Base 14	12958d₁₄	1296a1₁₄
Base 15	c9b72₁₅	c9c64₁₅
Base 16	9c5c9₁₆	9c69d₁₆