Properties of the Number 97825

Ninety-Seven Thousand Eight Hundred Twenty-Five

Basics

Value: 97824 → 97825 → 97826

Parity: odd

Prime: No

Previous Prime: 97813

Next Prime: 97829

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 5 ² × 7 × 13 × 43

Divisors: 1, 5, 7, 13, 25, 35, 43, 65, 91, 175

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10111111000100001

Octal: 277041

Duodecimal: 48741

Hexadecimal: 17e21

Square: 9569730625

Square Root: 312.76988346066827

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) = (n⁴ + n² + 2·n)/4. A6528

Number of planar planted trees with n non-root nodes and every 2-valent node isolated. A61639

Expansion of (1 - 2·x²)/(1 + x)⁵. Fourth column of Riordan triangle A248156. A248160

Triangle of permutations of [1..n] made by alternatively reversing terms counted from the left and right. (See comment.) A97825