Properties of the Number 40798

Forty Thousand Seven Hundred Ninety-Eight

Basics

Value: 40797 → 40798 → 40799

Parity: even

Prime: No

Previous Prime: 40787

Next Prime: 40801

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 × 20399

Divisors: 1, 2, 20399, 40798

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1001111101011110

Octal: 117536

Duodecimal: 1B73A

Hexadecimal: 9f5e

Square: 1664476804

Square Root: 201.9851479688544

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 monic polynomials with integer coefficients of degree n with all roots on the unit circle; number of products of cyclotomic polynomials of degree n. A120963

G.f.: 1/(1 - x*(1-x⁶)/(1 - x²*(1-x⁷)/(1 - x³*(1-x⁸)/(1 - x⁴*(1-x⁹)/(1 - x⁵*(1-x¹⁰)/(1 - ...)))))), a continued fraction. A227375

Number of dihedral Carlitz compositions of n. A292906

Continued fraction for sqrt(827). A40798

Number of (n+1) X 5 0..2 arrays with every 2 X 3 or 3 X 2 subblock having an unequal number of clockwise and counterclockwise edge increases. A206681