Number 21020

Interestingness: 7

Visual representations

Binary image (n×n bits)
51051
Prime factorization

Representations of 21020

β
Μ
͵ακ
२१०२०
٢١٠٢٠
●●
●●
▃▃▃▃▃
▃▃▃▃▃

▃▃▃▃▃
▃▃▃▃▃
二万一千零二十
כא׳ כ
𓂭𓂭
𓆼
𓎆𓎆
..---.---------..--------

21020 in different numeral systems

Binary
101001000011100
Base-3
1001211112
Base-4
Base-5
Base-6
Base-7
Base-8
Duodecimal
101b8
Hex
521c
Vigesimal
2cb0
Base-24
1cbk
Base-36
g7w
Negabinary
101011001101100

Factorization

Prime factors: 2, 5, 1051
Divisors: 1, 2, 4, 5, 10, 20, 1051, 2102, 4204, 5255, 10510, 21020
Sum of divisors other than 21020: 23164
Product of prime factors: 21020 = 2 × 2 × 5 × 1051

Number-theory characteristics (5)

Difference of 2 squares Evil number Even Composite Abundant

Base-10 digit properties (2)

These depend on the decimal representation of the number.

Harshad Duck number

Related primes

Prime number before 21020
Prime number after 21020