Properties of the Number 89408

Eighty-Nine Thousand Four Hundred Eight

Basics

Value: 89407 → 89408 → 89409

Parity: even

Prime: No

Previous Prime: 89399

Next Prime: 89413

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 ⁶ × 11 × 127

Divisors: 1, 2, 4, 8, 11, 16, 22, 32, 44, 64

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10101110101000000

Octal: 256500

Duodecimal: 438A8

Hexadecimal: 15d40

Square: 7993790464

Square Root: 299.0117054564921

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

Numbers k such that the k-th triangular number contains only digits {3,6,9}. A119199

a(n) = A000041(n)*A000070(n-1), n >= 1. A340492

Numbers n such that denominator(σ(σ(n))/n) = denominator(σ(σ(s))/s) where s = σ(n). A275321

Number of fixed points in range [A014137(n-1)..A014138(n-1)] of permutation A089864. A89408

Numbers d·p where d is a perfect number and p<d a prime not dividing d. A165772

Conjectured list of integers known to be friendly but not known to be primitive friendly. A95751