Properties of the Number -172645

One Hundred Seventy-Two Thousand Six Hundred Forty-Five

Basics

Value: -172646 → -172645 → -172644

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 5 × 11 × 43 × 73

Divisors: 1, 5, 11, 43, 55, 73, 215, 365, 473, 803

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101010001001100101

Octal: -521145

Duodecimal: -83AB1

Hexadecimal: -2a265

Square: 29806296025

Square Root: 415.5057159654967

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,k) is the number of paths in the right half-plane from (0,0) to (n,0), consisting of steps U=(1,1), D=(1,-1), h=(1,0) and H=(2,0), having k H=(2,0) steps (0 <= k <= floor(n/2)). A132885

Expansion of (1 - 2·x + 3·x²)/(1 - 2·x - 3·x²)^5/2. A373651