Compare 663983 vs 663991

Property	663983	663991
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	663983¹	663991¹
Prime factorization	663983	663991
Divisors count	2	2
Divisors	1, 663983	1, 663991
Number of properties	5	3
Cousin primes (2nd member)	5809th
Isolated primes	42235th	42236th
Primes	53866th	53867th
Prime triplets (3rd member)	2118th
Sexy primes (1st member)		11629th
Sexy primes (2nd member)	11628th
Roman numberals
Base 2	10100010000110101111₂	10100010000110110111₂
Base 3	1020201210222₃	1020201211021₃
Base 4	2202012233₄	2202012313₄
Base 5	132221413₅	132221431₅
Base 6	22121555₆	22122011₆
Base 7	5433545₇	5433556₇
Base 8	2420657₈	2420667₈
Base 9	1221728₉	1221737₉
Base 10	663983₁₀	663991₁₀
Base 11	413951₁₁	413959₁₁
Base 12	2802bb₁₂	280307₁₂
Base 13	1a32b8₁₃	1a32c3₁₃
Base 14	133d95₁₄	133d9d₁₄
Base 15	d1b08₁₅	d1b11₁₅
Base 16	a21af₁₆	a21b7₁₆