Properties of the Number 40327

Forty Thousand Three Hundred Twenty-Seven

Basics

Value: 40326 → 40327 → 40328

Parity: odd

Prime: No

Previous Prime: 40289

Next Prime: 40343

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 7 ² × 823

Divisors: 1, 7, 49, 823, 5761, 40327

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001110110000111

Octal: 116607

Duodecimal: 1B407

Hexadecimal: 9d87

Square: 1626266929

Square Root: 200.81583602893474

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

Sums of nonconsecutive factorial numbers. A60112

Starts of runs of 4 consecutive Gray-code Niven numbers (A344341). A344344

Expansion of ∏_k>=1 1/(1-x^k+8)^k. A263364

a(n) = (n+1)! + n. A30495

Starts of runs of 3 consecutive numbers that have an equal number of even and odd exponents in their prime factorization (A187039). A348077

Number of gap-free compositions of n into distinct parts, cf. A107428. A107461

E.g.f. satisfies A(x) = 1 + x·A(x)² * (exp(x) - 1). A371142

Number of series-reduced planted compound windmills with n leaves. A32203

a(n) = floor(((1+sqrt(3))/2)ⁿ). A125895

a(n) = [ a(n-1)/a(1) + a(n-3)/a(3) + a(n-5)/a(5) + ... ], for n >= 3. A22871