Number 21440

Interestingness: 6

Visual representations

Binary image (n×n bits)
2⁶567
Prime factorization

Representations of 21440

Greek numeral
β
Μ
͵αυμ
Sanskrit numeral
२१४४०
Arabic numeral
٢١٤٤٠
Roman numeral
XXMCDXL
Maya numeral
●●
●●●
▃▃▃▃▃
▃▃▃▃▃
●●
▃▃▃▃▃
▃▃▃▃▃
ↂ
Chinese numeral
二万一千四百四十
Hebrew numeral
כא׳ תמ
Egyptian numeral
𓂭𓂭
𓆼
𓈖𓈖𓈖𓈖
𓎆𓎆𓎆𓎆
Morse code
..---.----....-....------

21440 in different numeral systems

Binary
101001111000000
Base-3
1002102002
Base-4
11033000
Base-5
1141230
Base-6
243132
Base-7
116336
Base-8
51700
Duodecimal
104a8
Hex
53c0
Vigesimal
2dc0
Base-24
1d58
Base-36
gjk
Negabinary
101010011000000

Factorization

Prime factors: 2, 5, 67
Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 134, 160, 268, 320, 335, 536, 670, 1072, 1340, 2144, 2680, 4288, 5360, 10720, 21440
Sum of divisors other than 21440: 30376
Product of prime factors: 21440 = 2 × 2 × 2 × 2 × 2 × 2 × 5 × 67

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 21440
Prime number after 21440