Properties of the Number 13361

Thirteen Thousand Three Hundred Sixty-One

Basics

Value: 13360 → 13361 → 13362

Parity: odd

Prime: No

Previous Prime: 13339

Next Prime: 13367

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 31 × 431

Divisors: 1, 31, 431, 13361

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 11010000110001

Octal: 32061

Duodecimal: 7895

Hexadecimal: 3431

Square: 178516321

Square Root: 115.58979193683152

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) = n*(14·n-3). A185019

Trajectory of n under the Reverse and Add! operation carried out in base 3 (presumably) does not reach a palindrome and (presumably) does not join the trajectory of any term m < n. A77405

Numbers that are the product of two distinct primes a and b, such that a³+b³ is the average of a twin prime pair. A176876

a(n) is the number of 5 element sets of distinct integer-sided trapezoids whose base angles are 60 degrees that fill an equilateral triangle of side n units having three vertices of a trapezoid inside the triangle. A391039

Positive integers k such that k² = (m⁵ + n⁵)/(m + n) for some coprime integers m, n. A156668

Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 566", based on the 5-celled von Neumann neighborhood. A283063

The number of partitions of n into parts so that there exists exactly one part whose multiplicity is equal to its value. A391611

Numerators of convergents to cube root of 3. A2354

Lengths of bit runs in A123504. A123505

a(n) = ∑_j=1..n ∑_k=1..n τ(j·k). A372674