Properties of the Number 84681

Eighty-Four Thousand Six Hundred Eighty-One

Basics

Value: 84680 → 84681 → 84682

Parity: odd

Prime: No

Previous Prime: 84673

Next Prime: 84691

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 97 ²

Divisors: 1, 3, 9, 97, 291, 873, 9409, 28227, 84681

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100101011001001

Octal: 245311

Duodecimal: 41009

Hexadecimal: 14ac9

Square: 7170871761

Square Root: 291

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

Odd refactorable numbers. A36896

a(n) = (11·n + 5)². A17450

a(n) = (10·n + 1)². A17282

Squares with initial digit '8'. A45792

a(n+1) is smallest square > a(n) having no digits in common with a(n), with a(0) = 0. A30288

Square refactorable numbers. A36907

a(n) = (12·n + 3)². A17558

Squares for which the sum of the digits are cubes. A117685

Squares s such that s + 2 and s - 2 are semiprime. A278022

a(n) = (8n + 3)². A17102