Compare 666133 vs 666143

Property	666133	666143
Type	semiprime	prime
Unique factors	2	1
Total factors	2	1
Prime factorization	13¹ × 51241¹	666143¹
Prime factorization	13 × 51241	666143
Divisors count	4	2
Divisors	1, 13, 51241, 666133	1, 666143
Number of properties	1	4
Cousin primes (2nd member)		5825th
Isolated primes		42373rd
Primes		54036th
Safe primes		3118th
Semiprimes	142483rd
Roman numberals
Base 2	10100010101000010101₂	10100010101000011111₂
Base 3	1020211202121₃	1020211202222₃
Base 4	2202220111₄	2202220133₄
Base 5	132304013₅	132304033₅
Base 6	22135541₆	22135555₆
Base 7	5443036₇	5443052₇
Base 8	2425025₈	2425037₈
Base 9	1224677₉	1224688₉
Base 10	666133₁₀	666143₁₀
Base 11	415526₁₁	415535₁₁
Base 12	2815b1₁₂	2815bb₁₂
Base 13	1a4280₁₃	1a428a₁₃
Base 14	134a8d₁₄	134a99₁₄
Base 15	d258d₁₅	d2598₁₅
Base 16	a2a15₁₆	a2a1f₁₆