Number 861, number theory characteristics and more…

Visual representations

Binary image (n×n bits)

Triangular · P₃(41) = 861

Hexagonal · P₆(21) = 861

Prime factorization

Representations of 861

Greek numeral

ωξαʹ

Sanskrit numeral

८६१

Arabic numeral

٨٦١

Roman numeral

DCCCLXI

Maya numeral

●●

●●●

●

Chinese numeral

八百六十一

Hebrew numeral

תתסא

Egyptian numeral

𓈖𓈖𓈖𓈖𓈖𓈖𓈖𓈖
𓎆𓎆𓎆𓎆𓎆𓎆
𓏹

Morse code

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

861 in different numeral systems

Binary

1101011101

Base-3

Base-4

Base-5

Base-6

Base-7

Base-8

Duodecimal

5b9

Hex

35d

Vigesimal

231

Base-24

1bl

Base-36

nx

Negabinary

10010101101

Factorization

Prime factors: 3, 7, 41

Divisors: 1, 3, 7, 21, 41, 123, 287, 861

Sum of divisors other than 861: 483

Product of prime factors: 861 = 3 × 7 × 41

Number-theory characteristics (7)

Triangular Hexagonal Difference of 2 squares Odious number Odd Composite Deficient

Base-10 digit properties (2)

These depend on the decimal representation of the number.

Smith Hoax number

Related primes

Number 861 prime

6679

Prime number before 861

859

Prime number after 861

863