Number 21985

Representations of 21985
Greek numeral
β
Μ
͵αϡπεʹ
Arabic numeral
٢١٩٨٥
Roman numeral
XXMCMLXXXV
Maya numeral
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Chinese numeral
二万一千九百八十五
Hebrew numeral
כא׳ תתקפה
21985 in different numeral systems
Binary
101010111100001
Base-3
1010011021
Base-4
11113201
Base-5
1200420
Base-6
245441
Base-7
121045
Base-8
52741
Duodecimal
10881
Hex
55e1
Vigesimal
2ej5
Base-24
1e41
Base-36
gyp
Negabinary
11010101000100001
Factorization
Prime factors
5, 4397
Divisors
1, 5, 4397, 21985
Sum of divisors other than 21985
4403
Product of prime factors
21985 = 5 x 4397
Characteristics
Difference of 2 squares Odd Composite Deficient
Related primes
Prime number before 21985
21977
Prime number after 21985
21991