Compare 663977 vs 664661

Property	663977	664661
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	663977¹	664661¹
Prime factorization	663977	664661
Divisors count	2	2
Divisors	1, 663977	1, 664661
Number of properties	7	7
Additive primes		21046th
Chen primes	21067th	21090th
Cousin primes (2nd member)	5808th
Primes	53864th	53920th
Prime quadruplets (1st member)		129th
Prime triplets (1st member)	2118th	2120th
Prime triplets (2nd member)	2117th
Sexy primes (1st member)	11628th	11637th
Twin primes (1st member)	5816th	5821st
Roman numberals
Base 2	10100010000110101001₂	10100010010001010101₂
Base 3	1020201210202₃	1020202202002₃
Base 4	2202012221₄	2202101111₄
Base 5	132221402₅	132232121₅
Base 6	22121545₆	22125045₆
Base 7	5433536₇	5435534₇
Base 8	2420651₈	2422125₈
Base 9	1221722₉	1222662₉
Base 10	663977₁₀	664661₁₀
Base 11	413946₁₁	414408₁₁
Base 12	2802b5₁₂	280785₁₂
Base 13	1a32b2₁₃	1a36ba₁₃
Base 14	133d8d₁₄	13431b₁₄
Base 15	d1b02₁₅	d1e0b₁₅
Base 16	a21a9₁₆	a2455₁₆