Number 1280

Interestingness: 6

Visual representations

Binary image (n×n bits)
2⁸5
Prime factorization

Representations of 1280

Greek numeral
͵ασπ
Sanskrit numeral
१२८०
Arabic numeral
١٢٨٠
Roman numeral
MCCLXXX
Maya numeral
●●●
●●●●
ↂ
Chinese numeral
一千二百八十
Hebrew numeral
א׳ רפ
Egyptian numeral
𓆼
𓈖𓈖
𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
Morse code
.----..------..-----

1280 in different numeral systems

Binary
10100000000
Base-3
1202102
Base-4
110000
Base-5
20110
Base-6
5532
Base-7
3506
Base-8
2400
Duodecimal
8a8
Hex
500
Vigesimal
340
Base-24
258
Base-36
zk
Negabinary
10100000000

Factorization

Prime factors: 2, 5
Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280
Sum of divisors other than 1280: 1786
Product of prime factors: 1280 = 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5

Number-theory characteristics (5)

Difference of 2 squares Evil number Even Composite Abundant

Base-10 digit properties (1)

These depend on the decimal representation of the number.

Duck number

Related primes

Number 1280 prime
Prime number before 1280
Prime number after 1280