Properties of the Number 80506

Eighty Thousand Five Hundred Six

Basics

Value: 80505 → 80506 → 80507

Parity: even

Prime: No

Previous Prime: 80491

Next Prime: 80513

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 40253

Divisors: 1, 2, 40253, 80506

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011101001111010

Octal: 235172

Duodecimal: 3A70A

Hexadecimal: 13a7a

Square: 6481216036

Square Root: 283.73579259585847

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

Number of compositions of n into distinct parts with exactly five descents. A241724

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, -1), (-1, -1, 0), (-1, 1, -1), (-1, 1, 1), (1, 0, 0)}. A148067

Geometric mean of n-th row of A080504. A80506