Number 1561

Representations of 1561
Greek numeral
͵αφξαʹ
Arabic numeral
١٥٦١
Roman numeral
MDLXI
Maya numeral
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Chinese numeral
一千五百六十一
Hebrew numeral
א׳ תקסא
1561 in different numeral systems
Binary
11000011001
Base-3
2010211
Base-4
120121
Base-5
22221
Base-6
11121
Base-7
4360
Base-8
3031
Duodecimal
aa1
Hex
619
Vigesimal
3i1
Base-24
2h1
Base-36
17d
Negabinary
1101001101001
Factorization
Prime factors
7, 223
Divisors
1, 7, 223, 1561
Sum of divisors other than 1561
231
Product of prime factors
1561 = 7 x 223
Characteristics
Difference of 2 squares Odd Composite Deficient
Related primes
Number 1561 prime
13121
Prime number before 1561
1559
Prime number after 1561
1567