Number 1281

Representations of 1281
Greek numeral
͵ασπαʹ
Sanskrit numeral
१२८१
Arabic numeral
١٢٨١
Roman numeral
MCCLXXXI
Maya numeral
●●●
●●●●
●
Chinese numeral
一千二百八十一
Hebrew numeral
א׳ רפא
1281 in different numeral systems
Binary
10100000001
Base-3
1202110
Base-4
110001
Base-5
20111
Base-6
5533
Base-7
3510
Base-8
2401
Duodecimal
8a9
Hex
501
Vigesimal
341
Base-24
259
Base-36
zl
Negabinary
10100000001
Factorization
Prime factors
3, 7, 61
Divisors
1, 3, 7, 21, 61, 183, 427, 1281
Sum of divisors other than 1281
703
Product of prime factors
1281 = 3 x 7 x 61
Characteristics
Octogonal Difference of 2 squares Odd Composite Deficient
Related primes
Number 1281 prime
10463
Prime number before 1281
1279
Prime number after 1281
1283