Properties of the Number 41618

Forty-One Thousand Six Hundred Eighteen

Basics

Value: 41617 → 41618 → 41619

Parity: even

Prime: No

Previous Prime: 41617

Next Prime: 41621

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 20809

Divisors: 1, 2, 20809, 41618

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010001010010010

Octal: 121222

Duodecimal: 20102

Hexadecimal: a292

Square: 1732057924

Square Root: 204.00490190189058

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 A(n,k) of sequences with k copies each of 1,2,...,n avoiding absolute differences between adjacent elements larger than one; square array A(n,k), n>=0, k>=0, read by antidiagonals. A331562

Numbers whose square is palindromic in base 12. A29737

T(n,k)=Number of nXk arrays of occupancy after each element moves to some horizontal, vertical or antidiagonal neighbor, without 2-loops or left turns. A221828

Expansion of (1-x)/(1 - 3·x - 2·x² + 2·x³). A52543

Number of permutations of 3 copies of 1..n with all adjacent differences <= 1 in absolute value. A177291

Number of permutations of n copies of 1..7 with all adjacent differences <= 1 in absolute value. A177319

Number of nX3 arrays of occupancy after each element moves to some horizontal, vertical or antidiagonal neighbor, without 2-loops or left turns. A221825

Number of 5 X n arrays of occupancy after each element moves to some horizontal, vertical or antidiagonal neighbor, without 2-loops or left turns. A221832

Number of hands of n points in Spanish dominoes. A258064

Numbers of the form k² + 2 that are the sums of two squares. A329170