Number 66, number theory characteristics and more…

Visual representations

Binary image (n×n bits)

Element Dy – Dysprosium

Triangular · P₃(11) = 66

Hexagonal · P₆(6) = 66

Prime factorization

Representations of 66

Greek numeral

ξϛʹ

Sanskrit numeral

६६

Arabic numeral

٦٦

Roman numeral

LXVI

Maya numeral

●●●

●
▃▃▃▃▃

Chinese numeral

六十六

Hebrew numeral

סו

Egyptian numeral

𓎆𓎆𓎆𓎆𓎆𓎆
𓏹𓏹𓏹𓏹𓏹𓏹

Morse code

-....-....

66 in different numeral systems

Binary

Base-3

Base-4

Base-5

Base-6

Base-7

Base-8

Duodecimal

Hex

Vigesimal

Base-24

2i

Base-36

1u

Negabinary

1000110

Factorization

Prime factors: 2, 3, 11

Divisors: 1, 2, 3, 6, 11, 22, 33, 66

Sum of divisors other than 66: 78

Product of prime factors: 66 = 2 × 3 × 11

Number-theory characteristics (6)

Triangular Hexagonal Evil number Even Composite Abundant

Base-10 digit properties (2)

These depend on the decimal representation of the number.

Palindromic Repdigit

Related primes

Number 66 prime

317

Prime number before 66

61

Prime number after 66

67