Properties of the Number 86225

Eighty-Six Thousand Two Hundred Twenty-Five

Basics

Value: 86224 → 86225 → 86226

Parity: odd

Prime: No

Previous Prime: 86209

Next Prime: 86239

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 5 ² × 3449

Divisors: 1, 5, 25, 3449, 17245, 86225

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10101000011010001

Octal: 250321

Duodecimal: 41A95

Hexadecimal: 150d1

Square: 7434750625

Square Root: 293.64093720052045

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 n-digit integers·such that x + A007954(x) has n digits, where A007954(x) is the product of decimal digits of x. A243218

Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 18. A31606

a(n) = 11·2ⁿ - 1. A86225

Irregular triangle read by rows: row n gives for the Julian Green game with n cards labeled 1, 2, ..., n, for n >= 2, the number of games if the first removed card has label K = 2·k, for k = 1, 2, ..., floor(n/2). A348843