Number 21940

Interestingness: 6

Visual representations

Binary image (n×n bits)
51097
Prime factorization

Representations of 21940

β
Μ
͵αϡμ
२१९४०
٢١٩٤٠
XXMCMXL
●●
●●●●
▃▃▃▃▃
▃▃▃▃▃
●●
▃▃▃▃▃
▃▃▃▃▃
▃▃▃▃▃
二万一千九百四十
כא׳ תתקמ
𓂭𓂭
𓆼
𓈖𓈖𓈖𓈖𓈖𓈖𓈖𓈖𓈖
𓎆𓎆𓎆𓎆
..---.--------.....------

21940 in different numeral systems

Binary
101010110110100
Base-3
1010002121
Base-4
Base-5
Base-6
Base-7
Base-8
Duodecimal
Hex
55b4
Vigesimal
2eh0
Base-24
1e24
Base-36
gxg
Negabinary
11010101011110100

Factorization

Prime factors: 2, 5, 1097
Divisors: 1, 2, 4, 5, 10, 20, 1097, 2194, 4388, 5485, 10970, 21940
Sum of divisors other than 21940: 24176
Product of prime factors: 21940 = 2 × 2 × 5 × 1097

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 21940
Prime number after 21940