Properties of the Number -529

Five Hundred Twenty-Nine

Basics

Value: -530 → -529 → -528

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 23 ²

Divisors: 1, 23, 529

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1000010001

Octal: -1021

Duodecimal: -381

Hexadecimal: -211

Square: 279841

Square Root: 23

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

Nearest integer to Bernoulli number B_2n. A2882

Alternating partial sums of A000217. A83392

Dirichlet g.f.: 1 / ζ(s-2). A334657

Expansion of (1-x-x^N)/((1-x)(1-x²)(1-x³)...(1-x^N)) for N = 6. A60025

a(1) = 1, a(2) = -5; a(n) = -n² * ∑_{d∣n, d < n} a(d) / d². A359485

a(1) = 1, a(2) = 3; a(n) = n² * ∑_{d∣n, d < n} (-1)^n/d a(d) / d². A361986

Truncation of Bernoulli number: floor(|B_2n|) * sign(B_2n). A14509

Perfect powers (m^k where m is an integer and k >= 2) multiplied by -1 when m is prime for largest k (m^k thus a prime power). A157985

G.f.: η(x)³*(1 + x*η'(x)/η(x)), where η(x) is Dedekind's η(q) function without the q^1/24 factor. A184363

G.f.: ∑_n>=1 (-1)^n-1 * x^n²/(1 - xⁿ)ⁿ. A303506