Properties of the Number 40900

Forty Thousand Nine Hundred

Basics

Value: 40899 → 40900 → 40901

Parity: even

Prime: No

Previous Prime: 40897

Next Prime: 40903

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 5 ² × 409

Divisors: 1, 2, 4, 5, 10, 20, 25, 50, 100, 409

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1001111111000100

Octal: 117704

Duodecimal: 1B804

Hexadecimal: 9fc4

Square: 1672810000

Square Root: 202.23748416156684

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

Numbers n such that the decimal number concat(9,n) is a square. A273364

Number of line segments connecting exactly 3 points in an n X n grid of points. A177719

T(n,k)=Majority value maps: number of nXk binary arrays indicating the locations of corresponding elements equal to at least half of their king-move neighbors in a random 0..2 nXk array. A220194

Majority value maps: number of n X 2 binary arrays indicating the locations of corresponding elements equal to at least half of their king-move neighbors in a random 0..2 n X 2 array. A220191

Numbers n which are concatenations n=x//y such that x²+y³ is a multiple of n. A162464

Continued fraction for sqrt(931). A40900