Properties of the Number 53818

Fifty-Three Thousand Eight Hundred Eighteen

Basics

Value: 53817 → 53818 → 53819

Parity: even

Prime: No

Previous Prime: 53813

Next Prime: 53819

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 71 × 379

Divisors: 1, 2, 71, 142, 379, 758, 26909, 53818

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101001000111010

Octal: 151072

Duodecimal: 2718A

Hexadecimal: d23a

Square: 2896377124

Square Root: 231.9870686051272

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 n X 4 binary matrices under row and column permutations and column complementations. A6382

Consecutive states of the linear congruential pseudo-random number generator (31481·s+21139) mod 10⁵ when started at s=1. A384341

Decimal part of a(n)^1/5 starts with a 'nine digits' anagram. A34280

Triangle T(n, k) read by rows; given by [0, 1, 0, 2, 0, 3, 0, 4, ...] δ [1, 0, 2, 0, 2, 0, 3, 0, 2, 0, 4, 0, 2, 0, ...] (A000005 interspersed with 0's) where δ is Deléham's operator defined in A084938. A85852

a(n) = ∑_{k=1..n, gcd(n,k) = 1} k². A53818