Number 2640

Interestingness: 14

Visual representations

Binary image (n×n bits)
Octogonal · P8(30) = 2640
2⁴3511
Prime factorization

Representations of 2640

͵βχμ
२६४०
٢٦٤٠
MMDCXL

▃▃▃▃▃
●●
▃▃▃▃▃
▃▃▃▃▃
二千六百四十
ב׳ תרמ
𓆼𓆼
𓈖𓈖𓈖𓈖𓈖𓈖
𓎆𓎆𓎆𓎆
..----........------

2640 in different numeral systems

Binary
101001010000
Base-3
Base-4
Base-5
Base-6
Base-7
Base-8
Duodecimal
Hex
a50
Vigesimal
6c0
Base-24
4e0
Base-36
21c
Negabinary
1111001010000

Factorization

Prime factors: 2, 3, 5, 11
Divisors: 1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640
Sum of divisors other than 2640: 6288
Product of prime factors: 2640 = 2 × 2 × 2 × 2 × 3 × 5 × 11

Number-theory characteristics (7)

Octogonal Difference of 2 squares Evil number Refactorable Even Composite Abundant

Base-10 digit properties (3)

These depend on the decimal representation of the number.

Harshad Duck number Hoax number

Related primes

Number 2640 prime
Prime number before 2640
Prime number after 2640