Properties of the Number 40238

Forty Thousand Two Hundred Thirty-Eight

Basics

Value: 40237 → 40238 → 40239

Parity: even

Prime: No

Previous Prime: 40237

Next Prime: 40241

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 11 × 31 × 59

Divisors: 1, 2, 11, 22, 31, 59, 62, 118, 341, 649

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1001110100101110

Octal: 116456

Duodecimal: 1B352

Hexadecimal: 9d2e

Square: 1619096644

Square Root: 200.59411756080985

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

Fibonacci numbers written backwards. A4091

Reversals of Fibonacci numbers (sorted). A4170

Number of n X 5 nonnegative integer arrays with upper left 0 and lower right its king-move distance away minus 2 and every value within 2 of its king move distance from the upper left and every value increasing by 0 or 1 with every step right, diagonally se or down. A253220

Partial sums of A002106. A173407

T(n,k) = number of n X k nonnegative integer arrays with upper left 0 and lower right its king-move distance away minus 2 and every value within 2 of its king move distance from the upper left and every value increasing by 0 or 1 with every step right, diagonally se or down. A253223

Continued fraction for sqrt(254). A40238