Properties of the Number 54189

Fifty-Four Thousand One Hundred Eighty-Nine

Basics

Value: 54188 → 54189 → 54190

Parity: odd

Prime: No

Previous Prime: 54181

Next Prime: 54193

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ⁵ × 223

Divisors: 1, 3, 9, 27, 81, 223, 243, 669, 2007, 6021

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101001110101101

Octal: 151655

Duodecimal: 27439

Hexadecimal: d3ad

Square: 2936447721

Square Root: 232.78530881479614

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

Numbers n such that binomial(2n, n) - 1 is prime. A66726

The second of the three sequences associated with the polynomial x³ - 2. A52102

Indices of record high points in A386487. A387519

Number of 3-connected rooted cubic planar maps with n faces and girth at least 4. A58861

Union of A052103, A052102 and A052101, uniqued and sorted. A140495

a(n) = concatenation of (n times each digit of n). A111704

Number of (n+1)X(2+1) 0..3 arrays with no 2X2 subblock having the minimum of its diagonal elements greater than the absolute difference of its antidiagonal elements. A251436

Number of positive integers <= 2ⁿ of form 7 x² + 10 y². A54189