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Number 280
Representations of 280
Greek numeral
σπ
Arabic numeral
٢٨٠
Roman numeral
CCLXXX
Maya numeral
●●●●
▃▃▃▃▃
▃▃▃▃▃
ↂ
Chinese numeral
二百八十
Hebrew numeral
רפ
280 in different numeral systems
Binary
100011000
Base-3
101101
Base-4
10120
Base-5
2110
Base-6
1144
Base-7
550
Base-8
430
Hex
118
Base-24
bg
Base-36
7s
Factorization
Prime factors
2
,
5
,
7
Divisors
1
,
2
,
4
,
5
,
7
,
8
,
10
,
14
,
20
,
28
,
35
,
40
,
56
,
70
,
140
,
280
Sum of divisors other than 280
440
Product of prime factors
280 =
2
x
2
x
2
x
5
x
7
Characteristics
Octogonal
Even
Composite
Related primes
Number 280 prime
1811
Prime number before 280
277
Prime number after 280
281