Properties of the Number -349

Three Hundred Forty-Nine

Basics

Value: -350 → -349 → -348

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 349

Divisors: 1, 349

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101011101

Octal: -535

Duodecimal: -251

Hexadecimal: -15d

Square: 121801

Square Root: 18.681541692269406

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

a(n) = -n³ + 7·n² - 5·n + 1. A161708

a(n) = (-n³ + 9n² - 5n + 3)/3. A161702

a(n) = 1 + 3·n - 2·n². A168244

Sum(μ(i)*σ(j): i+j=n), with μ=A008683 and σ=A000203. A112964

Coefficients in the power series expansion of A(x) = ∑_n=-oo..+oo n*(n+1)/2·x^2·n * (1 - xⁿ)^n-2. A356775

Coefficients in the power series expansion of A(x) = ∑_n=-oo..+oo n*(n+1)*(n+2)*(n+3)/24·x^4·n * (1 - xⁿ)^n-2. A357157

G.f. satisfies A(x) = 1 / (1 + x*(1 + x·A(x))⁴). A364762

Value of y in the Diophantine equation x³ + y³ = n·z³ (with x>0 and minimal and x >= y and y ≠ 0). A190580

Partial sums of A050935. A203400

cos(arcsin(arctanh(x)))=1-1/2!*x²-11/4!*x⁴-349/6!*x⁶-22455/8!*x⁸... A12138