Compare 664991 vs 664997

Property	664991	664997
Type	semiprime	prime
Unique factors	2	1
Total factors	2	1
Prime factorization	53¹ × 12547¹	664997¹
Prime factorization	53 × 12547	664997
Divisors count	4	2
Divisors	1, 53, 12547, 664991	1, 664997
Number of properties	1	3
Additive primes		21056th
Isolated primes		42298th
Primes		53945th
Semiprimes	142257th
Roman numberals
Base 2	10100010010110011111₂	10100010010110100101₂
Base 3	1020210012022₃	1020210012112₃
Base 4	2202112133₄	2202112211₄
Base 5	132234431₅	132234442₅
Base 6	22130355₆	22130405₆
Base 7	5436515₇	5436524₇
Base 8	2422637₈	2422645₈
Base 9	1223168₉	1223175₉
Base 10	664991₁₀	664997₁₀
Base 11	414688₁₁	414693₁₁
Base 12	2809bb₁₂	280a05₁₂
Base 13	1a38b2₁₃	1a38b8₁₃
Base 14	1344b5₁₄	1344bb₁₄
Base 15	d207b₁₅	d2082₁₅
Base 16	a259f₁₆	a25a5₁₆