Properties of the Number 40217

Forty Thousand Two Hundred Seventeen

Basics

Value: 40216 → 40217 → 40218

Parity: odd

Prime: No

Previous Prime: 40213

Next Prime: 40231

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 131 × 307

Divisors: 1, 131, 307, 40217

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001110100011001

Octal: 116431

Duodecimal: 1B335

Hexadecimal: 9d19

Square: 1617407089

Square Root: 200.54176622339796

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

Self-inverse permutation of natural numbers: complementary pair ludic/nonludic numbers (A003309/A192607) entangled with the same pair in the opposite order, nonludic/ludic. See Formula. A235491

a(n) = prime(n) * prime(2·n-1). A219603

Numerators of continued fraction convergents to sqrt(764). A42472

Numerators of continued fraction convergents to sqrt(191). A41354

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 0, 0), (0, 1, 0), (1, 0, -1), (1, 1, 1)}. A150605

Continued fraction for sqrt(233). A40217