Properties of the Number 40347

Forty Thousand Three Hundred Forty-Seven

Basics

Value: 40346 → 40347 → 40348

Parity: odd

Prime: No

Previous Prime: 40343

Next Prime: 40351

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 4483

Divisors: 1, 3, 9, 4483, 13449, 40347

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001110110011011

Octal: 116633

Duodecimal: 1B423

Hexadecimal: 9d9b

Square: 1627880409

Square Root: 200.8656267259284

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

Numbers k such that 2^k + 3 is prime. A57732

a(n) = ∑_d∣n d!. A62363

Prime(a(n)) + ... + prime(a(n)+3) is a square = A051395(n)². A72849

Number of set partitions of [n] such that the maximal absolute difference between consecutive elements within a block equals three. A294052

G.f.: ∑_k>=1 k! * x^k² / (1 - x^k). A332031

Numbers k such that φ(k)+σ(k) is a perfect cube. A61366

Zero together with the partial sums of A064412. A275112

Duplicate of A062363. A62795

G.f.: ∏_n>=1 1/(1-xⁿ)^(n-1!). A179327

Continued fraction for sqrt(367). A40347