Number 21380

Interestingness: 6

Visual representations

Binary image (n×n bits)
51069
Prime factorization

Representations of 21380

β
Μ
͵ατπ
२१३८०
٢١٣٨٠
XXMCCCLXXX
●●
●●●
▃▃▃▃▃
▃▃▃▃▃
●●●●
▃▃▃▃▃
二万一千三百八十
כא׳ שפ
𓂭𓂭
𓆼
𓈖𓈖𓈖
𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
..---.----...-----..-----

21380 in different numeral systems

Binary
101001110000100
Base-3
1002022212
Base-4
Base-5
Base-6
Base-7
Base-8
Duodecimal
Hex
Vigesimal
2d90
Base-24
1d2k
Base-36
ghw
Negabinary
101010010000100

Factorization

Prime factors: 2, 5, 1069
Divisors: 1, 2, 4, 5, 10, 20, 1069, 2138, 4276, 5345, 10690, 21380
Sum of divisors other than 21380: 23560
Product of prime factors: 21380 = 2 × 2 × 5 × 1069

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

Prime number before 21380
Prime number after 21380