Properties of the Number -225071

Two Hundred Twenty-Five Thousand Seventy-One

Basics

Value: -225072 → -225071 → -225070

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 7 × 11 × 37 × 79

Divisors: 1, 7, 11, 37, 77, 79, 259, 407, 553, 869

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110110111100101111

Octal: -667457

Duodecimal: -AA2BB

Hexadecimal: -36f2f

Square: 50656955041

Square Root: 474.4164836933894

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

Triangle read by rows: T(n,m) = S(n,m) + S(n,n-m) where S(n,m) = ∑_k=0..n Stirling2(n, k) * Stirling1(n - k, m) * binomial(n, k) * (-1)^{m - k}. A174555

Expansion of (2 + x + x²)/((1 - x)*(1 - x - x²)). A26390

Diagonal sums of the triangle A132047. A144707