Properties of the Number 40298

Forty Thousand Two Hundred Ninety-Eight

Basics

Value: 40297 → 40298 → 40299

Parity: even

Prime: No

Previous Prime: 40289

Next Prime: 40343

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 20149

Divisors: 1, 2, 20149, 40298

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 1001110101101010

Octal: 116552

Duodecimal: 1B3A2

Hexadecimal: 9d6a

Square: 1623928804

Square Root: 200.7436175822285

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

T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with no element 1 greater than its north, southwest or southeast neighbor modulo n and the upper left element equal to 0. A266921

a(n) = a(n-1) + a(n-2) + 2·a(floor(n/2)) + 3·a(floor(n/3)) + ... + n·a(floor(n/n)), where a(0) = 1, a(1) = 1, a(2) = 1. A298369

Positions of zeros in A393422. A393461

Number of nX3 arrays containing 3 copies of 0..n-1 with no element 1 greater than its north, southwest or southeast neighbor modulo n and the upper left element equal to 0. A266920

Number of 5 X n arrays containing n copies of 0..5-1 with no element 1 greater than its north, southwest or southeast neighbor modulo 5 and the upper left element equal to 0. A266924

Continued fraction for sqrt(316). A40298