Properties of the Number -3260

Two Hundred Sixty

Basics

Value: -3261 → -3260 → -3259

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 5 × 163

Divisors: 1, 2, 4, 5, 10, 20, 163, 326, 652, 815

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110010111100

Octal: -6274

Duodecimal: -1A78

Hexadecimal: -cbc

Square: 10627600

Square Root: 57.09640969448079

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

G.f.: 1 / ∏_k>=1 (1-x^k)^k-1. A52847

Numbers k such that φ(k) is a perfect biquadrate. A78164

Sum of the even parts appearing among the largest parts of the partitions of n into 3 parts. A309694

Partial sums of round(n²/9). A177100

Positive numbers that are not the sum of a triangular number, a nonnegative cube and a positive Fibonacci number. A115177

a(n) = n*(8·n+3). A139276

A139276(n) followed by A139272(n+1). A139593

Triangle with entry a(n,m) giving the number of bracelets of n beads (dihedral D_n symmetry) with n colors available for each bead, but only m distinct fixed colors, say c[1],...,c[m], are present, with m from {1,...,n} and n>=1. A213940

T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row and column sum 2 4 5 or 7 and every diagonal and antidiagonal sum not 2 4 5 or 7. A251923

Numbers k such that N = k² is a twin rank (cf. A002822: 6N +- 1 are twin primes). A326232