Number 21680

Interestingness: 12

Visual representations

Binary image (n×n bits)
2⁴5271
Prime factorization

Representations of 21680

Greek numeral
β
Μ
͵αχπ
Sanskrit numeral
२१६८०
Arabic numeral
٢١٦٨٠
Roman numeral
XXMDCLXXX
Maya numeral
●●
●●●●
▃▃▃▃▃
▃▃▃▃▃
●●●●
ↂ
Chinese numeral
二万一千六百八十
Hebrew numeral
כא׳ תרפ
Egyptian numeral
𓂭𓂭
𓆼
𓈖𓈖𓈖𓈖𓈖𓈖
𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
Morse code
..---.-----....---..-----

21680 in different numeral systems

Binary
101010010110000
Base-3
1002201222
Base-4
11102300
Base-5
1143210
Base-6
244212
Base-7
120131
Base-8
52260
Duodecimal
10668
Hex
54b0
Vigesimal
2e40
Base-24
1df8
Base-36
gq8
Negabinary
101010111110000

Factorization

Prime factors: 2, 5, 271
Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 271, 542, 1084, 1355, 2168, 2710, 4336, 5420, 10840, 21680
Sum of divisors other than 21680: 28912
Product of prime factors: 21680 = 2 × 2 × 2 × 2 × 5 × 271

Number-theory characteristics (6)

Difference of 2 squares Evil number Refactorable Even Composite Abundant

Base-10 digit properties (2)

These depend on the decimal representation of the number.

Duck number Hoax number

Related primes

Prime number before 21680
Prime number after 21680