Properties of the Number 30719

Thirty Thousand Seven Hundred Nineteen

Basics

Value: 30718 → 30719 → 30720

Parity: odd

Prime: No

Previous Prime: 30713

Next Prime: 30727

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 13 × 17 × 139

Divisors: 1, 13, 17, 139, 221, 1807, 2363, 30719

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111011111111111

Octal: 73777

Duodecimal: 1593B

Hexadecimal: 77ff

Square: 943656961

Square Root: 175.2683656567836

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

T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with nondecreasing x(i,j)+x(i,j-1) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction. A250707

T(n,k)=Hilltop maps: number of nXk binary arrays indicating the locations of corresponding elements not exceeded by any horizontal or antidiagonal neighbor in a random 0..3 nXk array. A218810

a(n) = 15·2ⁿ - 1. A196305

Number of partitions p of n such that median(p) > multiplicity(max(p)). A240210

a(n) = 30·n² - 1. A158560

Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 429", based on the 5-celled von Neumann neighborhood. A282120

Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 825", based on the 5-celled von Neumann neighborhood. A284185

Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 97", based on the 5-celled von Neumann neighborhood. A285819

Decimal representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 491", based on the 5-celled von Neumann neighborhood. A288652

Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 565", based on the 5-celled von Neumann neighborhood. A289403