Properties of the Number 5078

Five Thousand Seventy-Eight

Basics

Value: 5077 → 5078 → 5079

Parity: even

Prime: No

Previous Prime: 5077

Next Prime: 5081

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 2539

Divisors: 1, 2, 2539, 5078

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1001111010110

Octal: 11726

Duodecimal: 2B32

Hexadecimal: 13d6

Square: 25786084

Square Root: 71.26008700527947

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

Numbers n such that the decimal expansions of both n and n² have 0 as smallest digit and 8 as largest digit. A256708

T(n,k)=Number of nXk 0..3 arrays with no element equal to one plus the sum of elements to its left or three plus the sum of the elements above it, modulo 4. A239340

The number of rectangles (orthogonal or not) with corners on an n X n grid of points. A85582

a(n) is the number of odd numbers k in range [2ⁿ, (2ⁿ⁺¹)-1] such that all terms in finite sequence [k, floor(k/2), floor(k/4), floor(k/8), ..., 1] are squarefree. A293441

Rectangular table, read by ascending antidiagonals, in which the n-th row o.g.f. R(n,x) satisfies: [x^m] exp( m*(m+1) * x·R(n,x)ⁿ ) / R(n,x)^m+1 = 0 for m >= 1, n >= 0. A393620

O.g.f. A(x) satisfies: [xⁿ] exp( n*(n+1) * x·A(x)⁴ ) / A(x)ⁿ⁺¹ = 0 for n > 0. A393624

Semiprimes that are the sum of the first n semiprimes for some n. A92190

Sum of the squarefree parts of the partitions of n into 3 parts. A309478

Positions of A080299 in A014486. A80298

Number of squares on infinite half chessboard at <=n knight moves from a fixed point on the edge. A98498