Properties of the Number 78609

Seventy-Eight Thousand Six Hundred Nine

Basics

Value: 78608 → 78609 → 78610

Parity: odd

Prime: No

Previous Prime: 78607

Next Prime: 78623

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 26203

Divisors: 1, 3, 26203, 78609

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011001100010001

Octal: 231421

Duodecimal: 395A9

Hexadecimal: 13311

Square: 6179374881

Square Root: 280.3729658865134

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

a(n) = 2·n³ + 1. A33562

a(n) = ∑_d∣n φ(d⁴). A68970

Number of distinct residues of xⁿ (mod n⁵), x=0..n⁵-1. A365102

a(n) = 68·n² + 1. A158732

Triangular array: row n gives the coefficients of the polynomial p(n,x) defined in Comments. A247376

Least positive integer·such that 2·xⁿ>(x+3)ⁿ. A78609