Properties of the Number 65870

Sixty-Five Thousand Eight Hundred Seventy

Basics

Value: 65869 → 65870 → 65871

Parity: even

Prime: No

Previous Prime: 65867

Next Prime: 65881

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 × 5 × 7 × 941

Divisors: 1, 2, 5, 7, 10, 14, 35, 70, 941, 1882

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000000101001110

Octal: 200516

Duodecimal: 32152

Hexadecimal: 1014e

Square: 4338856900

Square Root: 256.65151470427753

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

Expansion of (1-x)^-1/(1+x-2·x²-x³). A77897

Number of nX3 0..1 arrays with every element equal to 3, 4, 5 or 6 king-move adjacent elements, with upper left element zero. A298095

Riordan array (1/(1+3x+2x²),x/(1+3x+2x²)). A111806

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (0, 0, 1), (0, 1, -1), (1, 0, 0), (1, 1, -1)}. A150101

Table read by antidiagonals: T(n, k) is the sum of the numbers inside the k-th square of size n X n when the square spiral is tiled with these squares, where each tile contains numbers which sum to the minimum possible value, and each number on the spiral can only be in one tile. A341363

n-th prime - n-th semiprime. A65870