Properties of the Number 66394

Sixty-Six Thousand Three Hundred Ninety-Four

Basics

Value: 66393 → 66394 → 66395

Parity: even

Prime: No

Previous Prime: 66383

Next Prime: 66403

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 × 89 × 373

Divisors: 1, 2, 89, 178, 373, 746, 33197, 66394

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000001101011010

Octal: 201532

Duodecimal: 3250A

Hexadecimal: 1035a

Square: 4408163236

Square Root: 257.6703320136022

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

Partial sums of A000340, second partial sums of A003462. A52150

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), (-1, -1, 1), (0, 0, -1), (0, 1, 0), (1, 0, 0)}. A149844

Numbers k such that 6·R_k + 10^k - 5 is prime, where R_k = 11...11 is the repunit (A002275) of length k. A259118

Coordination sequence for ReO₃ net with respect to oxygen atom O₁. A66394

Number of (n+1) X (6+1) 0..2 arrays with every 2 X 2 subblock diagonal minus antidiagonal sum nondecreasing horizontally and vertically. A253454