Properties of the Number -1715

Seven Hundred Fifteen

Basics

Value: -1716 → -1715 → -1714

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 5 × 7 ³

Divisors: 1, 5, 7, 35, 49, 245, 343, 1715

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -11010110011

Octal: -3263

Duodecimal: -BAB

Hexadecimal: -6b3

Square: 2941225

Square Root: 41.41255848169731

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

Matrix log of triangle A111830, which shifts columns left and up under matrix 7th power; these terms are the result of multiplying each element in row n and column k by (n-k)!. A111833

Expansion of g.f. A(x) = ∑_n=-oo..+oo xⁿ * (i + xⁿ)^2·n, where i² = -1. A363569

Expansion of 1/((1+x)⁷ - x⁷). A49018

Expansion of (1+x²)/(1+x²+x⁵). A88002

Coefficient of·of the OmegaPolynomials (A318146), T(n, k) = [x] P(n, k) with n>=1 and k>=0, square array read by ascending antidiagonals. A318253

Numbers k such that 4·k + 1 is a perfect cube, sorted by absolute values. A305290

a(n) = ∑_{k=0..floor(n/7)} (-1)^k*binomial(n,7·k). A307041

First term of n-th difference sequence of (floor(k·r)), r = sqrt(1/3), k >= 0. A325730

First term of n-th difference sequence of (floor(k·r)), r = sqrt(3/4), k >= 0. A325732

First term of n-th difference sequence of (floor(k·e)), k >= 0. A325734