Properties of the Number 11718

Eleven Thousand Seven Hundred Eighteen

Basics

Value: 11717 → 11718 → 11719

Parity: even

Prime: No

Previous Prime: 11717

Next Prime: 11719

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ³ × 7 × 31

Divisors: 1, 2, 3, 6, 7, 9, 14, 18, 21, 27

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10110111000110

Octal: 26706

Duodecimal: 6946

Hexadecimal: 2dc6

Square: 137311524

Square Root: 108.2497113160123

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Multiples of 18 containing a 18 in their decimal representation. A121038

Numbers that are repdigits with length > 2 in more than one base. A167783

Sum of smallest parts (counted with multiplicity) of all partitions of n into odd parts. A92313

Number of ways to write n as an ordered sum of 8 nonzero triangular numbers. A340953

Numbers m such that β(m) = τ(m)/2 + 1 where β(m) is the number of Brazilian representations of m and τ(m) is the number of divisors of m. A326381

Non-oblong composites m such that β(m) = τ(m)/2 + 1 where β(m) is the number of Brazilian representations of m and τ(m) is the number of divisors of m. A326388

Triangle T(n,k) read by rows, arising in enumeration of catafusenes. A24462

a(n) = (n+1)*(n-2)*(n-3)/2. A212343

Numbers m with m-1, m+1 and prime(m)+2 all prime. A259539

Number of integer partitions of n with at least two adjacent parts of quotient 2. A350846