Properties of the Number 39935

Thirty-Nine Thousand Nine Hundred Thirty-Five

Basics

Value: 39934 → 39935 → 39936

Parity: odd

Prime: No

Previous Prime: 39929

Next Prime: 39937

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 5 × 7 ² × 163

Divisors: 1, 5, 7, 35, 49, 163, 245, 815, 1141, 5705

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1001101111111111

Octal: 115777

Duodecimal: 1B13B

Hexadecimal: 9bff

Square: 1594804225

Square Root: 199.83743393068278

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 central row and central column minus the two minimums of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally. A255036

Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 165", based on the 5-celled von Neumann neighborhood. A279505

List of graphs that are squares, encoded as in A382754. A382761

Numbers k such that abs(prime(k)-k*τ(k)) < sqrt(k). A68543

Numbers of the form 49·k, where 49·k+2 and 49·k-6 are both prime. A153779

Number of (n+2)X(3+2) 0..1 arrays with every 3X3 subblock sum of the two sums of the central row and central column minus the two minimums of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally. A255031

Number of (2+2)X(n+2) 0..1 arrays with every 3X3 subblock sum of the two sums of the central row and central column minus the two minimums of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally. A255037

Smallest k for which k, 2k, ... nk all contain the digit 4. A39935