Properties of the Number 47487

Forty-Seven Thousand Four Hundred Eighty-Seven

Basics

Value: 47486 → 47487 → 47488

Parity: odd

Prime: No

Previous Prime: 47459

Next Prime: 47491

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 11 × 1439

Divisors: 1, 3, 11, 33, 1439, 4317, 15829, 47487

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1011100101111111

Octal: 134577

Duodecimal: 23593

Hexadecimal: b97f

Square: 2255015169

Square Root: 217.91512109075865

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 k such that σ(k) = σ(k+8). A15876

T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1, 3, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A300888

Number of nX6 0..1 arrays with every element equal to 0, 1, 3, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A300886

Expansion of 1/((1-2x)(1-5x)(1-7x)(1-9x)). A25993

Number of n X n 0..1 arrays with every element equal to 0, 1, 3, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A300882

Numbers that are congruent to {2, 3, 5, 7} mod 8. A47487