Number 21280

Representations of 21280
Greek numeral
βMα͵ασπ
Arabic numeral
٢١٢٨٠
Roman numeral
XXMCCLXXX
Maya numeral
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ↂ
Chinese numeral
二万一千二百八十
Hebrew numeral
כא׳ רפ
21280 in different numeral systems
Binary
101001100100000
Base-3
1002012011
Base-4
11030200
Base-5
1140110
Base-6
242304
Base-7
116020
Base-8
51440
Duodecimal
10394
Hex
5320
Vigesimal
2d40
Base-24
1cmg
Base-36
gf4
Negabinary
101011101100000
Factorization
Prime factors
2, 5, 7, 19
Divisors
1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 380, 532, 560, 608, 665, 760, 1064, 1120, 1330, 1520, 2128, 2660, 3040, 4256, 5320, 10640, 21280
Sum of divisors other than 21280
39200
Product of prime factors
21280 = 2 x 2 x 2 x 2 x 2 x 5 x 7 x 19
Characteristics
Difference of 2 squares Even Composite Abundant
Related primes
Prime number before 21280
21277
Prime number after 21280
21283