Properties of the Number 78345

Seventy-Eight Thousand Three Hundred Forty-Five

Basics

Value: 78344 → 78345 → 78346

Parity: odd

Prime: No

Previous Prime: 78341

Next Prime: 78347

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 5 × 1741

Divisors: 1, 3, 5, 9, 15, 45, 1741, 5223, 8705, 15669

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011001000001001

Octal: 231011

Duodecimal: 39409

Hexadecimal: 13209

Square: 6137939025

Square Root: 279.9017684831591

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 (ψ(x²) / ψ(-x))³ in powers of·where ψ() is a Ramanujan θ function. A1937

a(n+1) is the smallest number > a(n) such that the digits of a(n)² are all (with multiplicity) contained in the digits of a(n+1)², with a(0)=1. A14563

Expansion of (ψ(x²) / ψ(x))³ in powers of·where ψ() is a Ramanujan θ function. A187053

Numbers n such that n and n-1 are differences between 2 positive cubes in at least one way. A38595

Numbers k such that F(k) mod k divides F(F(k) mod k) where F(k) denotes the k-th Fibonacci number. A78345