Properties of the Number 11291

Eleven Thousand Two Hundred Ninety-One

Basics

Value: 11290 → 11291 → 11292

Parity: odd

Prime: No

Previous Prime: 11287

Next Prime: 11299

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 7 × 1613

Divisors: 1, 7, 1613, 11291

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110000011011

Octal: 26033

Duodecimal: 664B

Hexadecimal: 2c1b

Square: 127486681

Square Root: 106.25911725588539

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

Number of (unordered, unlabeled) rooted trimmed trees with n nodes. A2955

Numbers k that divide the sum of digits of 13^k. A175525

Number of partitions p of n such that the number of numbers having multiplicity 1 in p is a part and the number of numbers having multiplicity > 1 is a part. A241414

Cycle of the inventory sequence (as in A063850) starting with n consists of prime numbers. A78970

a(n) is the number of vertices formed by n-secting the angles of a heptagon. A335758

Number of solutions to 3 +- 7 +- 13 +- 19 +- ... +- prime(4·n) = 0. A292698

Column 3 of triangle A091602. A91606

Number of nX6 -1,1 arrays such that the sum over i=1..n,j=1..6 of i·x(i,j) is zero, the sum of x(i,j) is zero, and rows are nondecreasing (number of ways to distribute 6-across galley oarsmen left-right at n fore-aft positions so that there are no turning moments on the ship). A225342

Number of 8Xn -1,1 arrays such that the sum over i=1..8,j=1..n of i·x(i,j) is zero, the sum of x(i,j) is zero, and rows are nondecreasing (number of ways to distribute n-across galley oarsmen left-right at 8 fore-aft positions so that there are no turning moments on the ship). A225348

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 1, -1), (-1, 1, 0), (0, 1, 1), (1, 0, 0)}. A149990