Properties of the Number -256256

Two Hundred Fifty-Six Thousand Two Hundred Fifty-Six

Basics

Value: -256257 → -256256 → -256255

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ⁸ × 7 × 11 × 13

Divisors: 1, 2, 4, 7, 8, 11, 13, 14, 16, 22

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111110100100000000

Octal: -764400

Duodecimal: -104368

Hexadecimal: -3e900

Square: 65667137536

Square Root: 506.217344625804

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) = 2ⁿ concatenated with itself. A178664

E.g.f. (1/5!)*sin⁵(x)/cos(x) (coefficients of odd powers only). A278194

One half of sixth unsigned column of Lanczos' triangle A053125. A54330

a(n) = 2^n-4*(n+2)*(n+3)*(n+4)*(n+5)*(n+6)/15. A80952

a(n) = concatenation of n² with itself. A253445

a(n) is the least integer of the form (n-2)(n-4)...(n-2k)/n. 0 if no such number exists. A109898

a(n) = binomial(n+3,4)*4⁴. A120054

a(n) = denominator of ∏_k=1..n (1 + {n/k}), where {x} is the fractional part of x, {x} = x - floor(x). A128779

a(n) = binomial(n+10, 10)*4ⁿ. A172978

a(n) = 2·n*A259319(n) - A259110(n)². A259320