Properties of the Number 89680

Eighty-Nine Thousand Six Hundred Eighty

Basics

Value: 89679 → 89680 → 89681

Parity: even

Prime: No

Previous Prime: 89671

Next Prime: 89681

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 2 ⁴ × 5 × 19 × 59

Divisors: 1, 2, 4, 5, 8, 10, 16, 19, 20, 38

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101111001010000

Octal: 257120

Duodecimal: 43A94

Hexadecimal: 15e50

Square: 8042502400

Square Root: 299.4661917479167

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 whose decimal representation, read as a base-22 value and divided by k, yields an integer. A32575

The ordered integer image of the 1-to-1 mapping of primitive Heronian triples (PHT) into the integers using Cantor's pairing function for triples (N³ -> N). A277632

Number of (n+1) X (n+1) 0..2 arrays colored with the upper median value of each 2 X 2 subblock. A235946

Let g[n_]=(Prime[n]-n)/(n-PrimePi[n]). Then a(n) = Floor[Exp[((g[n]+g[n+1])-g[n*(n+1)]+1)/1.5]]. A89680