Number 21040

Interestingness: 9

Visual representations

Binary image (n×n bits)
2⁴5263
Prime factorization

Representations of 21040

β
Μ
͵αμ
२१०४०
٢١٠٤٠
●●
●●
▃▃▃▃▃
▃▃▃▃▃
●●
▃▃▃▃▃
▃▃▃▃▃
二万一千零四十
כא׳ מ
𓂭𓂭
𓆼
𓎆𓎆𓎆𓎆
..---.---------....------

21040 in different numeral systems

Binary
101001000110000
Base-3
1001212021
Base-4
Base-5
Base-6
Base-7
Base-8
Duodecimal
Hex
Vigesimal
2cc0
Base-24
1ccg
Base-36
g8g
Negabinary
101011001110000

Factorization

Prime factors: 2, 5, 263
Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 263, 526, 1052, 1315, 2104, 2630, 4208, 5260, 10520, 21040
Sum of divisors other than 21040: 28064
Product of prime factors: 21040 = 2 × 2 × 2 × 2 × 5 × 263

Number-theory characteristics (6)

Difference of 2 squares Odious number Refactorable Even Composite Abundant

Base-10 digit properties (1)

These depend on the decimal representation of the number.

Duck number

Related primes

Prime number before 21040
Prime number after 21040