Properties of the Number 39692

Thirty-Nine Thousand Six Hundred Ninety-Two

Basics

Value: 39691 → 39692 → 39693

Parity: even

Prime: No

Previous Prime: 39679

Next Prime: 39703

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 9923

Divisors: 1, 2, 4, 9923, 19846, 39692

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001101100001100

Octal: 115414

Duodecimal: 1AB78

Hexadecimal: 9b0c

Square: 1575454864

Square Root: 199.2285120157253

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=0..n 4^n-k * binomial(n-1,n-k) * binomial(2·k,k). A360319

Intersection of A361073 and 2·A361611. A361215

Number of length n+4 0..2 arrays with at most one downstep in every n consecutive neighbor pairs. A255111

Half volumes of concertina hypercubes: a(n) = A300697(n)/2. A300698

Expansion of x*(2 - x - x² - 2·x³)/(1 - x - x²)². A339610

a(n) = 4·a(n-1) - a(n-2) with a(0) = 2, a(1) = 4. A3500

Jabotinsky-triangle related to A039647. A39692

Number of nX3 0..4 arrays with no three equal values in a row horizontally or vertically, and new values 0..4 introduced in row major order. A222921