Compare 61680 vs 61687

Property	61680	61687
Type	composite number	prime
Unique factors	4	1
Total factors	7	1
Prime factorization	2⁴ × 3¹ × 5¹ × 257¹	61687¹
Prime factorization	2 × 2 × 2 × 2 × 3 × 5 × 257	61687
Divisors count	40	2
Divisors	1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 257, 514, 771, 1028, 1285, 1542, 2056, 2570, 3084, 3855, 4112, 5140, 6168, 7710, 10280, 12336, 15420, 20560, 30840, 61680	1, 61687
Number of properties	0	6
Chen primes		2850th
Isolated primes		4557th
Long primes		2351st
Lucky primes		861st
Primes		6208th
Sexy primes (2nd member)		1667th
Roman numberals
Base 2	1111000011110000₂	1111000011110111₂
Base 3	10010121110₃	10010121201₃
Base 4	33003300₄	33003313₄
Base 5	3433210₅	3433222₅
Base 6	1153320₆	1153331₆
Base 7	344553₇	344563₇
Base 8	170360₈	170367₈
Base 9	103543₉	103551₉
Base 10	61680₁₀	61687₁₀
Base 11	42383₁₁	4238a₁₁
Base 12	2b840₁₂	2b847₁₂
Base 13	220c8₁₃	22102₁₃
Base 14	1869a₁₄	186a3₁₄
Base 15	13420₁₅	13427₁₅
Base 16	f0f0₁₆	f0f7₁₆