Compare 664963 vs 664973

Property	664963	664973
Type	semiprime	prime
Unique factors	2	1
Total factors	2	1
Prime factorization	13¹ × 51151¹	664973¹
Prime factorization	13 × 51151	664973
Divisors count	4	2
Divisors	1, 13, 51151, 664963	1, 664973
Number of properties	1	3
Isolated primes		42297th
Primes		53944th
Semiprimes	142251st
Sexy primes (2nd member)		11643rd
Roman numberals
Base 2	10100010010110000011₂	10100010010110001101₂
Base 3	1020210011021₃	1020210011122₃
Base 4	2202112003₄	2202112031₄
Base 5	132234323₅	132234343₅
Base 6	22130311₆	22130325₆
Base 7	5436445₇	5436461₇
Base 8	2422603₈	2422615₈
Base 9	1223137₉	1223148₉
Base 10	664963₁₀	664973₁₀
Base 11	414662₁₁	414671₁₁
Base 12	280997₁₂	2809a5₁₂
Base 13	1a3890₁₃	1a389a₁₃
Base 14	134495₁₄	1344a1₁₄
Base 15	d205d₁₅	d2068₁₅
Base 16	a2583₁₆	a258d₁₆