Compare 661230 vs 661231

Property	661230	661231
Type	composite number	prime
Unique factors	5	1
Total factors	7	1
Prime factorization	2¹ × 3³ × 5¹ × 31¹ × 79¹	661231¹
Prime factorization	2 × 3 × 3 × 3 × 5 × 31 × 79	661231
Divisors count	64	2
Divisors	1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 62, 79, 90, 93, 135, 155, 158, 186, 237, 270, 279, 310, 395, 465, 474, 558, 711, 790, 837, 930, 1185, 1395, 1422, 1674, 2133, 2370, 2449, 2790, 3555, 4185, 4266, 4898, 7110, 7347, 8370, 10665, 12245, 14694, 21330, 22041, 24490, 36735, 44082, 66123, 73470, 110205, 132246, 220410, 330615, 661230	1, 661231
Number of properties	0	5
Additive primes		20951st
Chen primes		20995th
Isolated primes		42084th
Primes		53667th
Sexy primes (1st member)		11588th
Roman numberals
Base 2	10100001011011101110₂	10100001011011101111₂
Base 3	1020121001000₃	1020121001001₃
Base 4	2201123232₄	2201123233₄
Base 5	132124410₅	132124411₅
Base 6	22101130₆	22101131₆
Base 7	5422533₇	5422534₇
Base 8	2413356₈	2413357₈
Base 9	1217030₉	1217031₉
Base 10	661230₁₀	661231₁₀
Base 11	411879₁₁	41187a₁₁
Base 12	27a7a6₁₂	27a7a7₁₂
Base 13	1a1c7b₁₃	1a1c7c₁₃
Base 14	132d8a₁₄	132d8b₁₄
Base 15	d0dc0₁₅	d0dc1₁₅
Base 16	a16ee₁₆	a16ef₁₆