Compare 666556 vs 666557

Property	666556	666557
Type	composite number	prime
Unique factors	3	1
Total factors	4	1
Prime factorization	2² × 11¹ × 15149¹	666557¹
Prime factorization	2 × 2 × 11 × 15149	666557
Divisors count	12	2
Divisors	1, 2, 4, 11, 22, 44, 15149, 30298, 60596, 166639, 333278, 666556	1, 666557
Number of properties	0	3
Chen primes		21138th
Primes		54062nd
Twin primes (1st member)		5836th
Roman numberals
Base 2	10100010101110111100₂	10100010101110111101₂
Base 3	1020212100021₃	1020212100022₃
Base 4	2202232330₄	2202232331₄
Base 5	132312211₅	132312212₅
Base 6	22141524₆	22141525₆
Base 7	5444212₇	5444213₇
Base 8	2425674₈	2425675₈
Base 9	1225307₉	1225308₉
Base 10	666556₁₀	666557₁₀
Base 11	415880₁₁	415881₁₁
Base 12	2818a4₁₂	2818a5₁₂
Base 13	1a4517₁₃	1a4518₁₃
Base 14	134cb2₁₄	134cb3₁₄
Base 15	d2771₁₅	d2772₁₅
Base 16	a2bbc₁₆	a2bbd₁₆