Properties of the Number -13658

Thirteen Thousand Six Hundred Fifty-Eight

Basics

Value: -13659 → -13658 → -13657

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 6829

Divisors: 1, 2, 6829, 13658

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11010101011010

Octal: -32532

Duodecimal: -7AA2

Hexadecimal: -355a

Square: 186540964

Square Root: 116.86744627996283

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

Denominators of continued fraction convergents to sqrt(193). A41359

Triangle read by rows: T(n,k) is the number of paths of length n with steps U=(1,1), D=(1,-1) and H=(1,0), starting at (0,0), staying weakly above the x-axis (i.e., left factors of Motzkin paths) and having k peaks (i.e., UDs), 0 <= k <= floor(n/2). A132893

Numbers k such that the continued fraction for sqrt(k) has period 29. A20368

G.f. A(x) satisfies A(x) = 1 / (1 - x - x³ * A(x³)). A367667

Numbers k such that R_k+2 + 7·10^k is prime, where R_k = 11...1 is the repunit (A002275) of length k. A256933