Properties of the Number 65420

Sixty-Five Thousand Four Hundred Twenty

Basics

Value: 65419 → 65420 → 65421

Parity: even

Prime: No

Previous Prime: 65419

Next Prime: 65423

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 5 × 3271

Divisors: 1, 2, 4, 5, 10, 20, 3271, 6542, 13084, 16355

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1111111110001100

Octal: 177614

Duodecimal: 31A38

Hexadecimal: ff8c

Square: 4279776400

Square Root: 255.77333715616254

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

Numbers which are the sum of their proper divisors containing the digit 3. A59462

Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 397", based on the 5-celled von Neumann neighborhood. A281754

Diagonal sums of number triangle A122919. A122920

Triangle T(n,k) = binomial(n+2,k+1)*(binomial(n+2,k+1)-1), n >=0, 0 <= k <= n. A65420