Properties of the Number 80345

Eighty Thousand Three Hundred Forty-Five

Basics

Value: 80344 → 80345 → 80346

Parity: odd

Prime: No

Previous Prime: 80341

Next Prime: 80347

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 5 × 16069

Divisors: 1, 5, 16069, 80345

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10011100111011001

Octal: 234731

Duodecimal: 3A5B5

Hexadecimal: 139d9

Square: 6455319025

Square Root: 283.45193596093145

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

The number of vertices on an octagon formed by the straight line segments mutually connecting all vertices and all points that divide the sides into n equal parts. A333109

Powers of three read in base 2. A211864

a(n) is the number of prime factors in Fibonacci(prime(n)); that is, in the Fibonacci number whose index is the n-th prime. A80345

Table read by antidiagonals: Place k equally spaced points on each side of a regular n-gon and join every pair of the n*(k+1) boundary points by a chord; T(n,k) (n >= 3, k >= 0) gives the number of vertices in the resulting planar graph. A367322