Number 261, number theory characteristics and more…

Visual representations

Binary image (n×n bits)

Nonagonal · P₉(9) = 261

Prime factorization

Representations of 261

Greek numeral

σξαʹ

Sanskrit numeral

२६१

Arabic numeral

٢٦١

Roman numeral

CCLXI

Maya numeral

●●●
▃▃▃▃▃
▃▃▃▃▃

●

Chinese numeral

二百六十一

Hebrew numeral

רסא

Egyptian numeral

𓈖𓈖
𓎆𓎆𓎆𓎆𓎆𓎆
𓏹

Morse code

..----.....----

261 in different numeral systems

Binary

Base-3

Base-4

Base-5

Base-6

Base-7

Base-8

Duodecimal

Hex

Vigesimal

d1

Base-24

al

Base-36

79

Negabinary

100000101

Factorization

Prime factors: 3, 29

Divisors: 1, 3, 9, 29, 87, 261

Sum of divisors other than 261: 129

Product of prime factors: 261 = 3 × 3 × 29

Number-theory characteristics (6)

Nonagonal Difference of 2 squares Odious number Odd Composite Deficient

Base-10 digit properties (1)

These depend on the decimal representation of the number.

Harshad

Related primes

Number 261 prime

1663

Prime number before 261

257

Prime number after 261

263