Properties of the Number -365

Three Hundred Sixty-Five

Basics

Value: -366 → -365 → -364

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 5 × 73

Divisors: 1, 5, 73, 365

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: -101101101

Octal: -555

Duodecimal: -265

Hexadecimal: -16d

Square: 133225

Square Root: 19.1049731745428

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/sqrt(1 - 2·x + 5·x²). A98331

Expansion of 1/(1-x*(1-6·x)). A145934

Square array T(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of sqrt(2 / ( (1+2*(k-4)*x+((k+4)*x)²) * (1-(k+4)*x+sqrt(1+2*(k-4)*x+((k+4)*x)²)) )). A337464

Coefficients of polynomials ( (1 -x +sqrt(x))ⁿ⁺¹ - (1 -x -sqrt(x))ⁿ⁺¹ )/(2·sqrt(x)). A61177

Determinant of rank n matrix of 1..n² filled successively along antidiagonals. A69480

Expansion of (∏_j>=1 (1-(-x)^j) - 1)⁶ in powers of x. A1484

Triangle, read by rows, equal to the right-hand side of the triangle A084610, with row n listing the coefficients of (1+x-x²)ⁿ: T(n,k) = [x^n+k] (1+x-x²)ⁿ, for n>=k>=0. A104505

Square array A(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of 1/sqrt(1 - 2·x + (1+4·k)*x²). A307860

Expansion of g.f. A(x,y) satisfying ∑_n>=0 ∏_k=1..n (x^k + y·A(x,y)) = 1 + (y+1) * ∑_n>=1 x^n*(n+1/2), as a triangle of coefficients T(n,k) of xⁿ*y^k in A(x,y) read by rows. A370140

Solution to a(1) = 1 and Sum_y Product_i a(y_i) = 0 for each n > 1, where the sum is over all relatively prime or monic partitions of n. A302917