Properties of the Number 40365

Forty Thousand Three Hundred Sixty-Five

Basics

Value: 40364 → 40365 → 40366

Parity: odd

Prime: No

Previous Prime: 40361

Next Prime: 40387

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 5 × 13 × 23

Divisors: 1, 3, 5, 9, 13, 15, 23, 27, 39, 45

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001110110101101

Octal: 116655

Duodecimal: 1B439

Hexadecimal: 9dad

Square: 1629333225

Square Root: 200.91042780303863

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

Number of isomorphism classes of 6-regular multigraphs of order n, loops allowed. A129433

G.f. A(x) satisfies A(x) = (1 + 9·x*A(x)⁷)^1/3. A376282

Odd numbers n such that 2n/σ(n) - 1 = 1/x for some positive integer x. A222263

Decimal representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 374", based on the 5-celled von Neumann neighborhood. A287908

Numbers m with deficiency 90: σ(m) - 2·m = -90. A389702

9 times octagonal numbers: a(n) = 9·n*(3·n-2). A64201

Triangle of numbers, called Y(1,3), related to generalized Catalan numbers A064063(n) = C(3;n). A116868

Deficient numbers k > 1 such that k·p is abundant for all primes p dividing k. A341358

Numerators of continued fraction convergents to sqrt(126). A41228

Numerators of continued fraction convergents to sqrt(504). A41962