Properties of the Number -368

Three Hundred Sixty-Eight

Basics

Value: -369 → -368 → -367

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ⁴ × 23

Divisors: 1, 2, 4, 8, 16, 23, 46, 92, 184, 368

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: -101110000

Octal: -560

Duodecimal: -268

Hexadecimal: -170

Square: 135424

Square Root: 19.183326093250876

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

Numerators of coefficients c(n) in product expansion of 1 + tan x = ∏_k>=1 1 + c(k)*x^k. A353583

Diagonal sums of number triangle A109956. A109957

Dirichlet inverse of A341530, gcd(n*σ(A003961(n)), σ(n)*A003961(n)). A346235

Expansion of ∑_k>0 x^4·k/(1+x^k)⁴. A363616

G.f. A(x) satisfies: A(x) = A(x² - x⁵)/x. A350477

G.f.: Re((2·i; x)_inf), where (a; q)_inf is the q-Pochhammer symbol, i = sqrt(-1). A292135

Increasingly larger (in absolute value) extrema of the Mertens function A002321 between subsequent zeros. A304242

a(0)=0; thereafter a(n) = a(n-1)+n if the (n-1)st digit of the sequence is even, otherwise a(n) = a(n-1)-n. A309216

Expansion of ∑_k>0 (1/(1+x^k)⁴ - 1). A363631

Coefficients in the expansion of 1/([r] + [2r]x + [3r]x² + ...); [ ] = floor, r = 4/3. A279675