Number 18420

Interestingness: 7

Visual representations

Binary image (n×n bits)
2²35307
Prime factorization

Representations of 18420

Greek numeral
α
Μ
͵ηυκ
Sanskrit numeral
१८४२०
Arabic numeral
١٨٤٢٠
Roman numeral
XVMMMCDXX
Maya numeral
●●
●
▃▃▃▃▃
●
ↂ
Chinese numeral
一万八千四百二十
Hebrew numeral
יח׳ תכ
Egyptian numeral
𓂭
𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼
𓈖𓈖𓈖𓈖
𓎆𓎆
Morse code
.-------......-..--------

18420 in different numeral systems

Binary
100011111110100
Base-3
221021020
Base-4
10133310
Base-5
1042140
Base-6
221140
Base-7
104463
Base-8
43764
Duodecimal
a7b0
Hex
47f4
Vigesimal
2610
Base-24
17nc
Base-36
e7o
Negabinary
101100000110100

Factorization

Prime factors: 2, 3, 5, 307
Divisors: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 307, 614, 921, 1228, 1535, 1842, 3070, 3684, 4605, 6140, 9210, 18420
Sum of divisors other than 18420: 33324
Product of prime factors: 18420 = 2 × 2 × 3 × 5 × 307

Number-theory characteristics (5)

Difference of 2 squares Odious 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 18420
Prime number after 18420