Number 280

Representations of 280
Greek numeral
σπ
Sanskrit numeral
२८०
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
Duodecimal
1b4
Hex
118
Vigesimal
e0
Base-24
bg
Base-36
7s
Negabinary
101101000
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 Difference of 2 squares Harshad Even Composite Abundant
Related primes
Number 280 prime
1811
Prime number before 280
277
Prime number after 280
281