Compare 663977 vs 664091

Property	663977	664091
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	663977¹	664091¹
Prime factorization	663977	664091
Divisors count	2	2
Divisors	1, 663977	1, 664091
Number of properties	7	4
Chen primes	21067th	21070th
Cousin primes (2nd member)	5808th
Isolated primes		42243rd
Primes	53864th	53874th
Prime triplets (1st member)	2118th
Prime triplets (2nd member)	2117th
Sexy primes (1st member)	11628th
Sophie germain primes		5477th
Twin primes (1st member)	5816th
Roman numberals
Base 2	10100010000110101001₂	10100010001000011011₂
Base 3	1020201210202₃	1020201221222₃
Base 4	2202012221₄	2202020123₄
Base 5	132221402₅	132222331₅
Base 6	22121545₆	22122255₆
Base 7	5433536₇	5434061₇
Base 8	2420651₈	2421033₈
Base 9	1221722₉	1221858₉
Base 10	663977₁₀	664091₁₀
Base 11	413946₁₁	413a3a₁₁
Base 12	2802b5₁₂	28038b₁₂
Base 13	1a32b2₁₃	1a336c₁₃
Base 14	133d8d₁₄	134031₁₄
Base 15	d1b02₁₅	d1b7b₁₅
Base 16	a21a9₁₆	a221b₁₆