Properties of the Number 40340

Forty Thousand Three Hundred Forty

Basics

Value: 40339 → 40340 → 40341

Parity: even

Prime: No

Previous Prime: 40289

Next Prime: 40343

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 5 × 2017

Divisors: 1, 2, 4, 5, 10, 20, 2017, 4034, 8068, 10085

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1001110110010100

Octal: 116624

Duodecimal: 1B418

Hexadecimal: 9d94

Square: 1627315600

Square Root: 200.84820138602188

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

a(n) = ∑_k=1..n σ(n·k). A372710

If n = p·10ⁱ + q·10^i-1 + r·10^i-2 + ... in decimal notation, then a(n) = p!*10ⁱ + q!*10^i-1 + r!*10^i-2+ ... . A182287

The fixed points of A355636. A355637

Triangle read by rows: T(n,k) is the number of Motzkin paths of length n and having k peaks at odd height. A97891

Numbers k for which k = φ(k') + φ(k''), where φ is the Euler totient function (A000010), k' the arithmetic derivative of k (A003415) and k'' the second arithmetic derivative of k (A068346). A352332

Continued fraction for sqrt(359). A40340