Properties of the Number -172225

One Hundred Seventy-Two Thousand Two Hundred Twenty-Five

Basics

Value: -172226 → -172225 → -172224

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 5 ² × 83 ²

Divisors: 1, 5, 25, 83, 415, 2075, 6889, 34445, 172225

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -101010000011000001

Octal: -520301

Duodecimal: -83801

Hexadecimal: -2a0c1

Square: 29661450625

Square Root: 415

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) = (11·n + 8)². A17486

Perfect squares in A133459; or perfect squares that are the sums of two nonzero pentagonal pyramidal numbers. A136359

Squares of composite numbers k that are abelian orders. A350345

Squares resulting from procedure described in A048383. A48384

a(n) = (12·n + 7)². A17606

Perfect powers using only prime digits and 1. A83806

Number of 6 X n 0..1 arrays avoiding 0 0 1 and 0 1 1 horizontally and 0 0 1 and 1 1 0 vertically. A207406

Odd numbers k such that A064989(σ(k)) >= k. A337344

Perfect powers in A329150. A361821