Compare 661231 vs 661240

Property	661231	661240
Type	prime	composite number
Unique factors	1	4
Total factors	1	6
Prime factorization	661231¹	2³ × 5¹ × 61¹ × 271¹
Prime factorization	661231	2 × 2 × 2 × 5 × 61 × 271
Divisors count	2	32
Divisors	1, 661231	1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 271, 305, 488, 542, 610, 1084, 1220, 1355, 2168, 2440, 2710, 5420, 10840, 16531, 33062, 66124, 82655, 132248, 165310, 330620, 661240
Number of properties	5	0
Additive primes	20951st
Chen primes	20995th
Isolated primes	42084th
Primes	53667th
Sexy primes (1st member)	11588th
Roman numberals
Base 2	10100001011011101111₂	10100001011011111000₂
Base 3	1020121001001₃	1020121001101₃
Base 4	2201123233₄	2201123320₄
Base 5	132124411₅	132124430₅
Base 6	22101131₆	22101144₆
Base 7	5422534₇	5422546₇
Base 8	2413357₈	2413370₈
Base 9	1217031₉	1217041₉
Base 10	661231₁₀	661240₁₀
Base 11	41187a₁₁	411888₁₁
Base 12	27a7a7₁₂	27a7b4₁₂
Base 13	1a1c7c₁₃	1a1c88₁₃
Base 14	132d8b₁₄	132d96₁₄
Base 15	d0dc1₁₅	d0dca₁₅
Base 16	a16ef₁₆	a16f8₁₆