Number 21989

Representations of 21989
β
Μ
͵αϡπθʹ
२१९८९
٢١٩٨٩
XXMCMLXXXIX
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二万一千九百八十九
כא׳ תתקפט
21989 in different numeral systems
Binary
101010111100101
Base-3
1010011102
Base-4
11113211
Base-5
1200424
Base-6
245445
Base-7
121052
Base-8
52745
Duodecimal
10885
Hex
55e5
Vigesimal
2ej9
Base-24
1e45
Base-36
gyt
Negabinary
11010101000100101
Factorization
Prime factors
11, 1999
Divisors
1, 11, 1999, 21989
Sum of divisors other than 21989
2011
Product of prime factors
21989 = 11 x 1999
Characteristics
Difference of 2 squares Odd Composite Deficient
Related primes
Prime number before 21989
21977
Prime number after 21989
21991