Properties of the Number -7249

Two Hundred Forty-Nine

Basics

Value: -7250 → -7249 → -7248

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 11 × 659

Divisors: 1, 11, 659, 7249

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1110001010001

Octal: -16121

Duodecimal: -4241

Hexadecimal: -1c51

Square: 52548001

Square Root: 85.14105942493316

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

Expansion of 1/(1 - ∑_k>=2 floor(1/ω(k))*x^k), where ω(k) is the number of distinct prime factors (A001221). A280195

Numbers n such that the decimal number concat(3,n) is a square. A273358

Numbers which need eleven 'Reverse and Add' steps to reach a palindrome. A65216

n times n+1 gives the concatenation of two numbers m and m-5. A116251

Number of compositions (ordered partitions) of n into parts with an odd number of distinct prime divisors. A286224

a(n) = C(n+2,3) + C(n,3) + C(n-1,3). A6004

Triangle, read by rows, where the n-th diagonal equals the n-th row transformed by triangle A008459 (squared binomial coefficients). A97084

Number of compositions a(1),...,a(k) of n, for some k, such that a(i+1) <= a(i) + 1 for 1 <= i < k and a(1) <= a(k) + 1. A168445

Number of 0..n arrays x(0..3) of 4 elements with zero 3rd differences. A200155

Number of (w,x,y) with all terms in {0,...,n} and x ≠ max(|w-x|,|x-y|). A213496