Properties of the Number 9838

Nine Thousand Eight Hundred Thirty-Eight

Basics

Value: 9837 → 9838 → 9839

Parity: even

Prime: No

Previous Prime: 9833

Next Prime: 9839

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 × 4919

Divisors: 1, 2, 4919, 9838

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011001101110

Octal: 23156

Duodecimal: 583A

Hexadecimal: 266e

Square: 96786244

Square Root: 99.18669265581951

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

Natural numbers k such that k is a multiple of its number of "feasible" partitions. A254438

Numbers whose least quadratic nonresidue (A020649) is 13. A25025

T(n,k) is the number of (n+1) X (k+1) 0..4 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 4, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings). A235087

Records in A347113. A347307

T(n,k)=Number of nXk arrays of occupancy after each element stays put or moves to some horizontal or vertical neighbor, without move-in move-out straight through or left turns. A222020

a(n) = (3ⁿ - 7)/2. A116970

Number of forests on unlabeled nodes with n edges and no single node trees. A215930

The first of ten consecutive positive integers the sum of the squares of which is equal to the sum of the squares of two consecutive positive integers. A261934

Triangle generated by T(n,k) = q^k*T(n-1, k) + T(n-1, k-1), with q=3. A176243

Numbers m such that m + 3 divides m^m - 3. A251862