Properties of the Number 8918

Eight Thousand Nine Hundred Eighteen

Basics

Value: 8917 → 8918 → 8919

Parity: even

Prime: No

Previous Prime: 8893

Next Prime: 8923

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 × 7 ³ × 13

Divisors: 1, 2, 7, 13, 14, 26, 49, 91, 98, 182

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10001011010110

Octal: 21326

Duodecimal: 51B2

Hexadecimal: 22d6

Square: 79530724

Square Root: 94.43516294262429

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

Expansion of 1/(1 - x - x² + x⁴ - x⁶). A117791

Number of incomplete integer partitions of n, meaning not every number from 0 to n is the sum of some submultiset. A365924

Composite numbers such that the square mean of their prime factors is a nonprime integer (where the prime factors are taken with multiplicity and the square mean of c and d is sqrt((c²+d²)/2)). A134602

a(n) = 7·a(n-1) - 14·a(n-2) + 7·a(n-3) with a(0)=0, a(1)=7, a(2)=35. A215510

Integers that are Rhonda numbers to base 18. A255735

Triangle read by rows, inverse Bell transform of Bell numbers. A264429

The sum of the first n terms of the sequence is the concatenation of the first n digits of the sequence, and a(1) = 9. A299872

a(n) = ∑_k=1..n k²*τ(k), where τ is A000005. A319085

Dimensions of the irreducible representations of the simple Lie algebra of type D4 over the complex numbers, listed in increasing order. A121739

Numbers k for which A276086(A003415(k)) is a multiple of k, where A003415 is the arithmetic derivative, and A276086 is the primorial base exp-function. A370114