Properties of the Number 66196

Sixty-Six Thousand One Hundred Ninety-Six

Basics

Value: 66195 → 66196 → 66197

Parity: even

Prime: No

Previous Prime: 66191

Next Prime: 66221

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 13 × 19 × 67

Divisors: 1, 2, 4, 13, 19, 26, 38, 52, 67, 76

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10000001010010100

Octal: 201224

Duodecimal: 32384

Hexadecimal: 10294

Square: 4381910416

Square Root: 257.28583326720496

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

a(n) = ∑_i=1..n binomial(2·i,i). A66796

T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with every 2X2 subblock sum nondecreasing horizontally, vertically and antidiagonally ne-to-sw. A253326

a(n) = n*(n+1)*(7·n+2)/6. A255211

T(2n+1,n), array T as in A054110. A54114

Number of (n+1)X(6+1) 0..1 arrays with every 2X2 subblock sum nondecreasing horizontally, vertically and antidiagonally ne-to-sw. A253324

Number of (4+1)X(n+1) 0..1 arrays with every 2X2 subblock sum nondecreasing horizontally, vertically and antidiagonally ne-to-sw. A253329

Figurate numbers based on the small stellated dodecahedron: a(n) = n*(21·n² - 33·n + 14)/2. A318159

Primes which have an equal number of zeros and ones in their binary expansion. A66196