Properties of the Number 84132

Eighty-Four Thousand One Hundred Thirty-Two

Basics

Value: 84131 → 84132 → 84133

Parity: even

Prime: No

Previous Prime: 84131

Next Prime: 84137

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ³ × 19 × 41

Divisors: 1, 2, 3, 4, 6, 9, 12, 18, 19, 27

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100100010100100

Octal: 244244

Duodecimal: 40830

Hexadecimal: 148a4

Square: 7078193424

Square Root: 290.0551671665237

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 subsets S of {1,2,...,n} which contain a number that is greater than the sum of the other numbers in S. A95944

T(n,k)=Number of nXk 0..3 arrays with diagonals and rows unimodal and antidiagonals nondecreasing. A224281

Number of nX4 0..3 arrays with diagonals and rows unimodal and antidiagonals nondecreasing. A224277

Number of 3 X n 0..3 arrays with diagonals and rows unimodal and antidiagonals nondecreasing. A224282

a(n) = 4·a(n-1) + 6·a(n-2), a(0)=1, a(1)=2. A84132