Compare 666143 vs 666149

Property	666143	666149
Type	prime	composite number
Unique factors	1	3
Total factors	1	3
Prime factorization	666143¹	11¹ × 23¹ × 2633¹
Prime factorization	666143	11 × 23 × 2633
Divisors count	2	8
Divisors	1, 666143	1, 11, 23, 253, 2633, 28963, 60559, 666149
Number of properties	4	0
Cousin primes (2nd member)	5825th
Isolated primes	42373rd
Primes	54036th
Safe primes	3118th
Roman numberals
Base 2	10100010101000011111₂	10100010101000100101₂
Base 3	1020211202222₃	1020211210012₃
Base 4	2202220133₄	2202220211₄
Base 5	132304033₅	132304044₅
Base 6	22135555₆	22140005₆
Base 7	5443052₇	5443061₇
Base 8	2425037₈	2425045₈
Base 9	1224688₉	1224705₉
Base 10	666143₁₀	666149₁₀
Base 11	415535₁₁	415540₁₁
Base 12	2815bb₁₂	281605₁₂
Base 13	1a428a₁₃	1a4293₁₃
Base 14	134a99₁₄	134aa1₁₄
Base 15	d2598₁₅	d259e₁₅
Base 16	a2a1f₁₆	a2a25₁₆