Number 21420

Interestingness: 7

Visual representations

Binary image (n×n bits)
2²3²5717
Prime factorization

Representations of 21420

Greek numeral
β
Μ
͵αυκ
Sanskrit numeral
२१४२०
Arabic numeral
٢١٤٢٠
Roman numeral
XXMCDXX
Maya numeral
●●
●●●
▃▃▃▃▃
▃▃▃▃▃
●
▃▃▃▃▃
▃▃▃▃▃
ↂ
Chinese numeral
二万一千四百二十
Hebrew numeral
כא׳ תכ
Egyptian numeral
𓂭𓂭
𓆼
𓈖𓈖𓈖𓈖
𓎆𓎆
Morse code
..---.----....-..--------

21420 in different numeral systems

Binary
101001110101100
Base-3
1002101100
Base-4
11032230
Base-5
1141140
Base-6
243100
Base-7
116310
Base-8
51654
Duodecimal
10490
Hex
53ac
Vigesimal
2db0
Base-24
1d4c
Base-36
gj0
Negabinary
101010011111100

Factorization

Prime factors: 2, 3, 5, 7, 17
Divisors: 1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 1020, 1071, 1190, 1260, 1428, 1530, 1785, 2142, 2380, 3060, 3570, 4284, 5355, 7140, 10710, 21420
Sum of divisors other than 21420: 57204
Product of prime factors: 21420 = 2 × 2 × 3 × 3 × 5 × 7 × 17

Number-theory characteristics (5)

Difference of 2 squares Evil number Even Composite Abundant

Base-10 digit properties (2)

These depend on the decimal representation of the number.

Harshad Duck number

Related primes

Prime number before 21420
Prime number after 21420