Properties of the Number 838

Eight Hundred Thirty-Eight

Basics

Value: 837 → 838 → 839

Parity: even

Prime: No

Previous Prime: 829

Next Prime: 839

Digit Sum: 19

Digital Root: 1

Palindrome: Yes

Factorization: 2 × 419

Divisors: 1, 2, 419, 838

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101000110

Octal: 1506

Duodecimal: 59A

Hexadecimal: 346

Square: 702244

Square Root: 28.948229652260256

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

Coordination sequence for "pcu-i" 3D uniform tiling. A299277

a(n) = n² - 3. A28872

Numbers whose sum of digits is 19. A166459

Number of distinct products i·j*k with 1 <= i < j < k <= n. A27430

Triangle read by rows giving number of arrangements of k dumbbells on 2 X n grid (n >= 0, k >= 0). A46741

Numbers k such that k and k² have same digit sum. A58369

Extrapolation for (n + 1)-st prime made by fitting least-degree polynomial to first n primes. A140119

a(n) = 2·n² + 6·n + 2. A90288

Semiprimes of form prime - 1. A77065

Palindromic in bases 10 and 27. A250411