Compare 640663 vs 641089

Property	640663	641089
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	640663¹	641089¹
Prime factorization	640663	641089
Divisors count	2	2
Divisors	1, 640663	1, 641089
Number of properties	6	5
Cousin primes (1st member)	5636th	5639th
Happy primes	7419th
Isolated primes	40851st	40881st
Primes	52124th	52156th
Prime triplets (1st member)	2063rd
Sexy primes (1st member)	11293rd
Sexy primes (2nd member)		11304th
Sexy prime triplets (3rd member)		2073rd
Roman numberals
Base 2	10011100011010010111₂	10011100100001000001₂
Base 3	1012112211021₃	1012120102001₃
Base 4	2130122113₄	2130201001₄
Base 5	131000123₅	131003324₅
Base 6	21422011₆	21424001₆
Base 7	5305552₇	5310031₇
Base 8	2343227₈	2344101₈
Base 9	1175737₉	1176361₉
Base 10	640663₁₀	641089₁₀
Base 11	3a8381₁₁	3a8729₁₁
Base 12	26a907₁₂	26b001₁₂
Base 13	1957ba₁₃	195a57₁₃
Base 14	129699₁₄	1298c1₁₄
Base 15	c9c5d₁₅	c9e44₁₅
Base 16	9c697₁₆	9c841₁₆