Number 21920

Interestingness: 6

Visual representations

Binary image (n×n bits)
2⁵5137
Prime factorization

Representations of 21920

Greek numeral
β
Μ
͵αϡκ
Sanskrit numeral
२१९२०
Arabic numeral
٢١٩٢٠
Roman numeral
XXMCMXX
Maya numeral
●●
●●●●
▃▃▃▃▃
▃▃▃▃▃
●
▃▃▃▃▃
▃▃▃▃▃
▃▃▃▃▃
ↂ
Chinese numeral
二万一千九百二十
Hebrew numeral
כא׳ תתקכ
Egyptian numeral
𓂭𓂭
𓆼
𓈖𓈖𓈖𓈖𓈖𓈖𓈖𓈖𓈖
𓎆𓎆
Morse code
..---.--------...--------

21920 in different numeral systems

Binary
101010110100000
Base-3
1010001212
Base-4
11112200
Base-5
1200140
Base-6
245252
Base-7
120623
Base-8
52640
Duodecimal
10828
Hex
55a0
Vigesimal
2eg0
Base-24
1e18
Base-36
gww
Negabinary
11010101011100000

Factorization

Prime factors: 2, 5, 137
Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 137, 160, 274, 548, 685, 1096, 1370, 2192, 2740, 4384, 5480, 10960, 21920
Sum of divisors other than 21920: 30244
Product of prime factors: 21920 = 2 × 2 × 2 × 2 × 2 × 5 × 137

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 21920
Prime number after 21920