Properties of the Number 5249

Five Thousand Two Hundred Forty-Nine

Basics

Value: 5248 → 5249 → 5250

Parity: odd

Prime: No

Previous Prime: 5237

Next Prime: 5261

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 29 × 181

Divisors: 1, 29, 181, 5249

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1010010000001

Octal: 12201

Duodecimal: 3055

Hexadecimal: 1481

Square: 27552001

Square Root: 72.44998274671983

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 whose multiset multisystem (A302242) is crossing. A324170

Numbers whose arithmetic derivative (A003415) is a primorial number (A002110) > 1. A327978

a(n) = 3·n² - n - 1. A144390

Number of ordered pairs of integers (x,y) with x²+y² < n². A51132

Highly cototient numbers: records for a(n) in A063741. A100827

G.f. satisfies x = A(x)*(1-A(x))/(1-A(x)-(A(x))²). A108623

a(n) = ((1+4·sqrt(2))*(5+sqrt(2))ⁿ + (1-4·sqrt(2))*(5-sqrt(2))ⁿ)/2. A164301

Minimum number of points of the square lattice falling strictly inside a circle of radius n. A291259

Triangle read by rows: T(n,1) = 1, T(n,n) = n and for 1 < k < n: T(n,k) = T(n-1,k-1) + 2·T(n-1,k). A105728

Connell (5,3)-sum sequence (partial sums of the (5,3)-Connell sequence). A122795