Properties of the Number 63871

Sixty-Three Thousand Eight Hundred Seventy-One

Basics

Value: 63870 → 63871 → 63872

Parity: odd

Prime: No

Previous Prime: 63863

Next Prime: 63901

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 23 × 2777

Divisors: 1, 23, 2777, 63871

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111100101111111

Octal: 174577

Duodecimal: 30B67

Hexadecimal: f97f

Square: 4079504641

Square Root: 252.7271255722266

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 nX3 0..1 arrays with every element unequal to 0, 1, 2, 4 or 8 king-move adjacent elements, with upper left element zero. A305240

G.f. satisfies A(x) = 1 + x·A(x)*(1 + x⁴*A(x)³). A365079

Trajectory of 3 under map n->7n-1 if n odd, n->n/2 if n even. A63871