Properties of the Number 5042

Five Thousand Forty-Two

Basics

Value: 5041 → 5042 → 5043

Parity: even

Prime: No

Previous Prime: 5039

Next Prime: 5051

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 × 2521

Divisors: 1, 2, 2521, 5042

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001110110010

Octal: 11662

Duodecimal: 2B02

Hexadecimal: 13b2

Square: 25421764

Square Root: 71.00704190430693

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(0) = 1, a(1) = 2, a(n) = 4·a(n-1) - a(n-2). A1075

Coordination sequence for "flu" 3D uniform tiling formed from tetrahedra, rhombicuboctahedra, and cubes. A299272

Sum of factorials of the digits of n. A61602

Number of partitions of n such that number of odd parts is greater than or equal to number of even parts. A130780

a(2·n) = a(2·n-1) + a(2·n-2), a(2·n+1) = 2·a(2·n) + a(2·n-1); a(0) = a(1) = 1. A2531

a(n) = (1 + a(n-1)*a(n-2))/a(n-3), a(0) = a(1) = a(2) = 1. A5246

a(1) = 0, a(n) = (e1·i1! + e2·i2! + ... + ez·iz!) for n = prime(i1)^e1 * prime(i2)^e2 * ... * prime(iz)^ez, where prime(k) is the k-th prime, A000040(k). A276075

Smallest even k such that lpf(k-3) > lpf(k-1) >= prime(n), where lpf=least prime factor (A020639). A242719

Centered square numbers: a(n) = 4·n² + 4·n + 2. A69894

Semiprimes of the form k²+1. A144255