Properties of the Number 3841

Three Thousand Eight Hundred Forty-One

Basics

Value: 3840 → 3841 → 3842

Parity: odd

Prime: No

Previous Prime: 3833

Next Prime: 3847

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 23 × 167

Divisors: 1, 23, 167, 3841

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111100000001

Octal: 7401

Duodecimal: 2281

Hexadecimal: f01

Square: 14753281

Square Root: 61.97580172938467

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 intersections of diagonals in the interior of a regular n-gon. A6561

D-toothpick sequence of the second kind (see Comments lines for definition). A194270

Integers of the form m*(m + 6)/7. A274978

a(n) = 8ⁿ - 4ⁿ + 1. A155629

Let a(n) be the least k such that in the prime power factorization of k! the exponents of primes p₁, ...,p_n are even, while the exponent of p_n+1 is odd. A240537

Numbers n such that the decimal expansions of both n and n² have 1 as smallest digit and 8 as largest digit. A257211

Reve's puzzle: number of moves needed to solve the Towers of Hanoi puzzle with 4 pegs and n disks, according to the Frame-Stewart algorithm. A7664

Concentric 16-gonal numbers. A195146

Number of compositions (ordered partitions) of n into distinct parts such that number of parts is odd. A332304

a(1) = 4; a(n) is smallest number > a(n-1) such that the juxtaposition a(1)a(2)...a(n) is a prime. A74341