Properties of the Number 40243

Forty Thousand Two Hundred Forty-Three

Basics

Value: 40242 → 40243 → 40244

Parity: odd

Prime: No

Previous Prime: 40241

Next Prime: 40253

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 7 × 5749

Divisors: 1, 7, 5749, 40243

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001110100110011

Octal: 116463

Duodecimal: 1B357

Hexadecimal: 9d33

Square: 1619499049

Square Root: 200.6065801513001

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

Triangle read by rows: T(n,k) is the number of partitions of binomial(n,k) into parts of the first n rows of Pascal's triangle, 0<=k<=n. A132311

Table read by antidiagonals: Place k points in general position on each side of a regular n-gon and join every pair of the n*(k+1) boundary points by a chord; T(n,k) (n >= 3, k >= 0) gives number of edges in the resulting planar graph. A367190

Continued fraction for sqrt(260). A40243