Compare 666128 vs 666139

Property	666128	666139
Type	composite number	prime
Unique factors	4	1
Total factors	7	1
Prime factorization	2⁴ × 17¹ × 31¹ × 79¹	666139¹
Prime factorization	2 × 2 × 2 × 2 × 17 × 31 × 79	666139
Divisors count	40	2
Divisors	1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 79, 124, 136, 158, 248, 272, 316, 496, 527, 632, 1054, 1264, 1343, 2108, 2449, 2686, 4216, 4898, 5372, 8432, 9796, 10744, 19592, 21488, 39184, 41633, 83266, 166532, 333064, 666128	1, 666139
Number of properties	0	4
Additive primes		21093rd
Cousin primes (1st member)		5825th
Isolated primes		42372nd
Primes		54035th
Roman numberals
Base 2	10100010101000010000₂	10100010101000011011₂
Base 3	1020211202102₃	1020211202211₃
Base 4	2202220100₄	2202220123₄
Base 5	132304003₅	132304024₅
Base 6	22135532₆	22135551₆
Base 7	5443031₇	5443045₇
Base 8	2425020₈	2425033₈
Base 9	1224672₉	1224684₉
Base 10	666128₁₀	666139₁₀
Base 11	415521₁₁	415531₁₁
Base 12	2815a8₁₂	2815b7₁₂
Base 13	1a4278₁₃	1a4286₁₃
Base 14	134a88₁₄	134a95₁₄
Base 15	d2588₁₅	d2594₁₅
Base 16	a2a10₁₆	a2a1b₁₆