Number 21804

Interestingness: 6

Visual representations

Binary image (n×n bits)
2²32379
Prime factorization

Representations of 21804

Greek numeral
β
Μ
͵αωδʹ
Sanskrit numeral
२१८०४
Arabic numeral
٢١٨٠٤
Roman numeral
XXMDCCCIV
Maya numeral
●●
●●●●
▃▃▃▃▃
▃▃▃▃▃
▃▃▃▃▃
▃▃▃▃▃
●●●●
Chinese numeral
二万一千八百零四
Hebrew numeral
כא׳ תתד
Egyptian numeral
𓂭𓂭
𓆼
𓈖𓈖𓈖𓈖𓈖𓈖𓈖𓈖
𓏹𓏹𓏹𓏹
Morse code
..---.-------..-----....-

21804 in different numeral systems

Binary
101010100101100
Base-3
1002220120
Base-4
11110230
Base-5
1144204
Base-6
244540
Base-7
120366
Base-8
52454
Duodecimal
10750
Hex
552c
Vigesimal
2ea4
Base-24
1dkc
Base-36
gto
Negabinary
101010101111100

Factorization

Prime factors: 2, 3, 23, 79
Divisors: 1, 2, 3, 4, 6, 12, 23, 46, 69, 79, 92, 138, 158, 237, 276, 316, 474, 948, 1817, 3634, 5451, 7268, 10902, 21804
Sum of divisors other than 21804: 31956
Product of prime factors: 21804 = 2 × 2 × 3 × 23 × 79

Number-theory characteristics (5)

Difference of 2 squares Odious 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 21804
Prime number after 21804