Properties of the Number 78466

Seventy-Eight Thousand Four Hundred Sixty-Six

Basics

Value: 78465 → 78466 → 78467

Parity: even

Prime: No

Previous Prime: 78439

Next Prime: 78467

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 2 × 39233

Divisors: 1, 2, 39233, 78466

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011001010000010

Octal: 231202

Duodecimal: 394AA

Hexadecimal: 13282

Square: 6156913156

Square Root: 280.1178323491741

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 ∏_k>=1 ((1 + 2^k*x^k)/(1 - 2^k*x^k))^{1/2^k}. A303438

Number of parity-alternating permutations of [n] avoiding the pattern 321. A354208

Number of parity-alternating permutations of [n] avoiding the pattern 123. A355089

First cycle is reached under a "Collatz-Fibonacci" transform (cf. comment). A78466