Properties of the Number 41798

Forty-One Thousand Seven Hundred Ninety-Eight

Basics

Value: 41797 → 41798 → 41799

Parity: even

Prime: No

Previous Prime: 41777

Next Prime: 41801

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 × 20899

Divisors: 1, 2, 20899, 41798

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010001101000110

Octal: 121506

Duodecimal: 20232

Hexadecimal: a346

Square: 1747072804

Square Root: 204.4455917842202

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) is the number of row convex polyglasses (polyiamonds which need only touch at corners) with n cells. A319325

Number of iterations before a repeated value, or -1 if this never occurs, when starting at k = 1 and repeating k = k·n if k does not contain any adjacent equal digits, else k = k with all adjacent equal digits replaced by a single copy of the same digit. A368940

E.g.f. A(x) is the series reversion of 2·x-1/2·x²-exp(x)+1. A207493

Numerators of continued fraction convergents to sqrt(420). A41798

Number of (n+1)X(5+1) white-square subarrays of 0..2 arrays with no element equal to a strict majority of its diagonal and antidiagonal neighbors, with values 0..2 introduced in row major order. A231128