Properties of the Number -4056

Fifty-Six

Basics

Value: -4057 → -4056 → -4055

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 ³ × 3 × 13 ²

Divisors: 1, 2, 3, 4, 6, 8, 12, 13, 24, 26

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111111011000

Octal: -7730

Duodecimal: -2420

Hexadecimal: -fd8

Square: 16451136

Square Root: 63.686733312362634

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

Low temperature series for spin-1/2 Ising magnetic susceptibility on 3-dimensional simple cubic lattice. A2926

T(n, k) = ((2·n + 1)/2)*∑_{j, k, n} (-1)^{k + j}*(n + j)*binomial(2·n, n - j)* Stirling2(n - k + j, 1 - k + j) with T(0, 0) = 1. Triangle read by row, T(n, k) for 0 <= k <= n. A342312

Square array A(n,k), n >= 1, k >= 1, read by antidiagonals downwards, where A(n,k) = -∑_d∣n φ(n/d) * (-k)^d. A382994

a(n) = 6·n². A33581

Numbers whose unsorted prime signature is not unimodal. A332282

'Eban' numbers (the letter 'e' is banned!). A6933

Number of strict integer partitions of n whose length (number of parts) can be written as a nonnegative linear combination of the parts. A367220

Congrua (possible solutions to the congruum problem): numbers k such that there are integers x, y and z with k = x²-y² = z²-x². A256418

Positive integers n such that n¹⁴ + 1 is semiprime (A001358). A104335

a(n) = 13·a(n-1) - 65·a(n-2) + 156·a(n-3) - 182·a(n-4) + 91·a(n-5) - 13·a(n-6), with a(1)..a(6) as shown. A161905