Properties of the Number 50697

Fifty Thousand Six Hundred Ninety-Seven

Basics

Value: 50696 → 50697 → 50698

Parity: odd

Prime: No

Previous Prime: 50683

Next Prime: 50707

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 43 × 131

Divisors: 1, 3, 9, 43, 129, 131, 387, 393, 1179, 5633

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1100011000001001

Octal: 143011

Duodecimal: 25409

Hexadecimal: c609

Square: 2570185809

Square Root: 225.15994315152952

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+2)X(k+2) 0..1 arrays with every 3X3 subblock sum of the two sums of the diagonal and antidiagonal minus the two minimums of the central column and central row nondecreasing horizontally, vertically and ne-to-sw antidiagonally. A254907

a(n) = ∑_{k=0..floor(n/3)} binomial(2·n-3·k-2,n-3·k). A371871

Lengths of bit runs in A123504. A123505

Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock sum of the two sums of the diagonal and antidiagonal minus the two minimums of the central column and central row nondecreasing horizontally, vertically and ne-to-sw antidiagonally. A254903

Number of (3+2)X(n+2) 0..1 arrays with every 3X3 subblock sum of the two sums of the diagonal and antidiagonal minus the two minimums of the central column and central row nondecreasing horizontally, vertically and ne-to-sw antidiagonally. A254909

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 337", based on the 5-celled von Neumann neighborhood. A271287

Numbers that appear in A035140 but not in A050694. A50697