Compare 665993 vs 666005

Property	665993	666005
Type	prime	semiprime
Unique factors	1	2
Total factors	1	2
Prime factorization	665993¹	5¹ × 133201¹
Prime factorization	665993	5 × 133201
Divisors count	2	4
Divisors	1, 665993	1, 5, 133201, 666005
Number of properties	3	1
Isolated primes	42361st
Primes	54022nd
Semiprimes		142458th
Sophie germain primes	5495th
Roman numberals
Base 2	10100010100110001001₂	10100010100110010101₂
Base 3	1020211120102₃	1020211120212₃
Base 4	2202212021₄	2202212111₄
Base 5	132302433₅	132303010₅
Base 6	22135145₆	22135205₆
Base 7	5442446₇	5442464₇
Base 8	2424611₈	2424625₈
Base 9	1224512₉	1224525₉
Base 10	665993₁₀	666005₁₀
Base 11	415409₁₁	41541a₁₁
Base 12	2814b5₁₂	281505₁₂
Base 13	1a41a3₁₃	1a41b2₁₃
Base 14	1349cd₁₄	1349db₁₄
Base 15	d24e8₁₅	d2505₁₅
Base 16	a2989₁₆	a2995₁₆