Properties of the Number -338

Three Hundred Thirty-Eight

Basics

Value: -339 → -338 → -337

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 × 13 ²

Divisors: 1, 2, 13, 26, 169, 338

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101010010

Octal: -522

Duodecimal: -242

Hexadecimal: -152

Square: 114244

Square Root: 18.384776310850235

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

Triangle read by rows, inverse Bell transform of Bell numbers. A264429

a(n) = ∑_{d divides n} (-1)^{d + n/d} * d². A321558

The main diagonal of the successive differences of A154127. A154570

Terms b(k) (for k > 0, and in order of appearance) such that both |b(k) - b(k-1)| and |b(k+1) - b(k)| are greater than 1, where b is A377091. A380224

10th differences of primes. A36271

Expansion of ψ(q⁵)/ψ(q) in powers of q where ψ() is a Ramanujan θ function. A116494

Expansion of η(q) * η(q¹⁰)³ / (η(q²) * η(q⁴) * η(q⁵) * η(q²⁰)) in powers of q. A147702

Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of f(i,j)=max(ceiling(i/j),ceiling(j/i)) (as in A204143). A204144

Dirichlet convolution of A000027 (the identity function) with the Dirichlet inverse of the inverse permutation of EKG-permutation. A349616

a(n) = ∑_t=0..n g(t)*g(n-t) where g(t) = A002121(t). A2122