Compare 666138 vs 666143

Property	666138	666143
Type	composite number	prime
Unique factors	4	1
Total factors	4	1
Prime factorization	2¹ × 3¹ × 11¹ × 10093¹	666143¹
Prime factorization	2 × 3 × 11 × 10093	666143
Divisors count	16	2
Divisors	1, 2, 3, 6, 11, 22, 33, 66, 10093, 20186, 30279, 60558, 111023, 222046, 333069, 666138	1, 666143
Number of properties	0	4
Cousin primes (2nd member)		5825th
Isolated primes		42373rd
Primes		54036th
Safe primes		3118th
Roman numberals
Base 2	10100010101000011010₂	10100010101000011111₂
Base 3	1020211202210₃	1020211202222₃
Base 4	2202220122₄	2202220133₄
Base 5	132304023₅	132304033₅
Base 6	22135550₆	22135555₆
Base 7	5443044₇	5443052₇
Base 8	2425032₈	2425037₈
Base 9	1224683₉	1224688₉
Base 10	666138₁₀	666143₁₀
Base 11	415530₁₁	415535₁₁
Base 12	2815b6₁₂	2815bb₁₂
Base 13	1a4285₁₃	1a428a₁₃
Base 14	134a94₁₄	134a99₁₄
Base 15	d2593₁₅	d2598₁₅
Base 16	a2a1a₁₆	a2a1f₁₆