Number 21390

Interestingness: 6

Visual representations

Binary image (n×n bits)
2352331
Prime factorization

Representations of 21390

Greek numeral
β
Μ
͵ατϟ
Sanskrit numeral
२१३९०
Arabic numeral
٢١٣٩٠
Roman numeral
XXMCCCXC
Maya numeral
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▃▃▃▃▃
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▃▃▃▃▃
▃▃▃▃▃
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Chinese numeral
二万一千三百九十
Hebrew numeral
כא׳ שצ
Egyptian numeral
𓂭𓂭
𓆼
𓈖𓈖𓈖
𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
Morse code
..---.----...------.-----

21390 in different numeral systems

Binary
101001110001110
Base-3
1002100020
Base-4
11032032
Base-5
1141030
Base-6
243010
Base-7
116235
Base-8
51616
Duodecimal
10466
Hex
538e
Vigesimal
2d9a
Base-24
1d36
Base-36
gi6
Negabinary
101010010010010

Factorization

Prime factors: 2, 3, 5, 23, 31
Divisors: 1, 2, 3, 5, 6, 10, 15, 23, 30, 31, 46, 62, 69, 93, 115, 138, 155, 186, 230, 310, 345, 465, 690, 713, 930, 1426, 2139, 3565, 4278, 7130, 10695, 21390
Sum of divisors other than 21390: 33906
Product of prime factors: 21390 = 2 × 3 × 5 × 23 × 31

Number-theory characteristics (4)

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 21390
Prime number after 21390