Number 21728

Interestingness: 8

Visual representations

Binary image (n×n bits)
2⁵797
Prime factorization

Representations of 21728

Greek numeral
β
Μ
͵αψκηʹ
Sanskrit numeral
२१७२८
Arabic numeral
٢١٧٢٨
Roman numeral
XXMDCCXXVIII
Maya numeral
●●
●●●●
▃▃▃▃▃
▃▃▃▃▃
●
▃▃▃▃▃
●●●
▃▃▃▃▃
Chinese numeral
二万一千七百二十八
Hebrew numeral
כא׳ תשכח
Egyptian numeral
𓂭𓂭
𓆼
𓈖𓈖𓈖𓈖𓈖𓈖𓈖
𓎆𓎆
𓏹𓏹𓏹𓏹𓏹𓏹𓏹𓏹
Morse code
..---.------.....------..

21728 in different numeral systems

Binary
101010011100000
Base-3
1002210202
Base-4
11103200
Base-5
1143403
Base-6
244332
Base-7
120230
Base-8
52340
Duodecimal
106a8
Hex
54e0
Vigesimal
2e68
Base-24
1dh8
Base-36
grk
Negabinary
101010100100000

Factorization

Prime factors: 2, 7, 97
Divisors: 1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 97, 112, 194, 224, 388, 679, 776, 1358, 1552, 2716, 3104, 5432, 10864, 21728
Sum of divisors other than 21728: 27664
Product of prime factors: 21728 = 2 × 2 × 2 × 2 × 2 × 7 × 97

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.

Zuckerman number

Related primes

Prime number before 21728
Prime number after 21728