Properties of the Number -7175

One Hundred Seventy-Five

Basics

Value: -7176 → -7175 → -7174

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 5 ² × 7 × 41

Divisors: 1, 5, 7, 25, 35, 41, 175, 205, 287, 1025

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1110000000111

Octal: -16007

Duodecimal: -419B

Hexadecimal: -1c07

Square: 51480625

Square Root: 84.70537173048709

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

The r-th term of the n-th row of the following array contains the sum of r successively decreasing integers beginning from n. 0 < r <= n. Sequence contains the leading diagonal. A110427

Centered octahedral numbers (crystal ball sequence for cubic lattice). A1845

a(n) = C(n,1) + C(n,2) + C(n,3), or n*(n² + 5)/6. A4006

Number of partitions of n in which the least part is odd. A26804

14-gonal (or tetradecagonal) numbers: a(n) = n*(6·n-5). A51866

a(n) = (2·n - 1)*(11·n² - 11·n + 6)/6. A63492

G.f.: 1/(1 + x·d/dx log(η(x))), where η(x) is Dedekind's η(q) function without the q^1/24 factor. A180305

Pointwise product of the arithmetic derivative and the primorial base exp-function. A358669

Numbers that are the sum of ten fourth powers in seven or more ways. A345600

Numbers that are the sum of ten fourth powers in exactly seven ways. A345859