Properties of the Number 4056

Four Thousand Fifty-Six

Basics

Value: 4055 → 4056 → 4057

Parity: even

Prime: No

Previous Prime: 4051

Next Prime: 4057

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

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

Number of possible rook moves on an n X n chessboard. A35006

Numbers whose square is a difference between 2 positive cubes in at least one way. A38597

Numbers k such that σ(x) = k has exactly 5 solutions. A60661