Number 21828

Interestingness: 8

Visual representations

Binary image (n×n bits)
2²317107
Prime factorization

Representations of 21828

Greek numeral
β
Μ
͵αωκηʹ
Sanskrit numeral
२१८२८
Arabic numeral
٢١٨٢٨
Roman numeral
XXMDCCCXXVIII
Maya numeral
●●
●●●●
▃▃▃▃▃
▃▃▃▃▃
●
▃▃▃▃▃
▃▃▃▃▃
●●●
▃▃▃▃▃
Chinese numeral
二万一千八百二十八
Hebrew numeral
כא׳ תתכח
Egyptian numeral
𓂭𓂭
𓆼
𓈖𓈖𓈖𓈖𓈖𓈖𓈖𓈖
𓎆𓎆
𓏹𓏹𓏹𓏹𓏹𓏹𓏹𓏹
Morse code
..---.-------....------..

21828 in different numeral systems

Binary
101010101000100
Base-3
1002221110
Base-4
11111010
Base-5
1144303
Base-6
245020
Base-7
120432
Base-8
52504
Duodecimal
10770
Hex
5544
Vigesimal
2eb8
Base-24
1dlc
Base-36
guc
Negabinary
101010101000100

Factorization

Prime factors: 2, 3, 17, 107
Divisors: 1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 107, 204, 214, 321, 428, 642, 1284, 1819, 3638, 5457, 7276, 10914, 21828
Sum of divisors other than 21828: 32604
Product of prime factors: 21828 = 2 × 2 × 3 × 17 × 107

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.

Hoax number

Related primes

Prime number before 21828
Prime number after 21828