Properties of the Number 99225

Ninety-Nine Thousand Two Hundred Twenty-Five

Basics

Value: 99224 → 99225 → 99226

Parity: odd

Prime: No

Previous Prime: 99223

Next Prime: 99233

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ⁴ × 5 ² × 7 ²

Divisors: 1, 3, 5, 7, 9, 15, 21, 25, 27, 35

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 11000001110011001

Octal: 301631

Duodecimal: 49509

Hexadecimal: 18399

Square: 9845600625

Square Root: 315

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 permutations in the symmetric group S_n that have odd order. A246

a(n) = (2n-1)!! * (2n+1)!!, where the double factorial is A006882. A79484

Odd refactorable numbers. A36896

Odd abundant numbers whose abundance is odd. A156942

Numbers with exactly 3 distinct odd prime divisors {3,5,7}. A147576

a(n) = (11·n + 7)². A17474

Odd nonunitary abundant numbers. A94889

Squares with initial digit '9'. A45793

Squares which can be represented as sum of (at least two) consecutive cubes and are not triangular numbers squared. A163392

T(n,k)=Number of (n+2)X(k+2) binary arrays avoiding patterns 001 and 011 in rows and columns. A202100