Number 21800

Interestingness: 6

Visual representations

Binary image (n×n bits)
2³5²109
Prime factorization

Representations of 21800

Greek numeral
β
Μ
͵αω
Sanskrit numeral
२१८००
Arabic numeral
٢١٨٠٠
Roman numeral
XXMDCCC
Maya numeral
●●
●●●●
▃▃▃▃▃
▃▃▃▃▃
▃▃▃▃▃
▃▃▃▃▃
ↂ
Chinese numeral
二万一千八百
Hebrew numeral
כא׳ תת
Egyptian numeral
𓂭𓂭
𓆼
𓈖𓈖𓈖𓈖𓈖𓈖𓈖𓈖
Morse code
..---.-------..----------

21800 in different numeral systems

Binary
101010100101000
Base-3
1002220102
Base-4
11110220
Base-5
1144200
Base-6
244532
Base-7
120362
Base-8
52450
Duodecimal
10748
Hex
5528
Vigesimal
2ea0
Base-24
1dk8
Base-36
gtk
Negabinary
101010101111000

Factorization

Prime factors: 2, 5, 109
Divisors: 1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 109, 200, 218, 436, 545, 872, 1090, 2180, 2725, 4360, 5450, 10900, 21800
Sum of divisors other than 21800: 29350
Product of prime factors: 21800 = 2 × 2 × 2 × 5 × 5 × 109

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 21800
Prime number after 21800