Compare 640669 vs 641129

Property	640669	641129
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	640669¹	641129¹
Prime factorization	640669	641129
Divisors count	2	2
Divisors	1, 640669	1, 641129
Number of properties	6	5
Additive primes	20372nd	20386th
Chen primes	20396th	20408th
Happy primes		7422nd
Primes	52126th	52159th
Prime triplets (3rd member)	2063rd
Sexy primes (2nd member)	11293rd
Twin primes (1st member)		5639th
Twin primes (2nd member)	5638th
Roman numberals
Base 2	10011100011010011101₂	10011100100001101001₂
Base 3	1012112211111₃	1012120110112₃
Base 4	2130122131₄	2130201221₄
Base 5	131000134₅	131004004₅
Base 6	21422021₆	21424105₆
Base 7	5305561₇	5310116₇
Base 8	2343235₈	2344151₈
Base 9	1175744₉	1176415₉
Base 10	640669₁₀	641129₁₀
Base 11	3a8387₁₁	3a8765₁₁
Base 12	26a911₁₂	26b035₁₂
Base 13	1957c3₁₃	195a88₁₃
Base 14	1296a1₁₄	12990d₁₄
Base 15	c9c64₁₅	c9e6e₁₅
Base 16	9c69d₁₆	9c869₁₆