Properties of the Number 66308

Sixty-Six Thousand Three Hundred Eight

Basics

Value: 66307 → 66308 → 66309

Parity: even

Prime: No

Previous Prime: 66301

Next Prime: 66337

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 11 ² × 137

Divisors: 1, 2, 4, 11, 22, 44, 121, 137, 242, 274

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000001100000100

Octal: 201404

Duodecimal: 32458

Hexadecimal: 10304

Square: 4396750864

Square Root: 257.50339803583176

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) = sum of minimal runlengths of all the partitions of n. A364808

First row of infinite array A(j,k): A(j,1) = j-1; A(1,k) = A(2,k-1); for j, k > 1, A(j,k) = A(j-1,k) - A(j+1,k-1) if that number is positive and not already in column k, A(j,k) = A(j-1,k) + A(j+1,k-1) otherwise. A140985

Number of graphs with n vertices that have no induced regular subgraph of order 5 or greater. A390919

Triangle of coefficients of the Pollaczek polynomials with a=1, b=1 multiplied by n! to make then integers. A136454

a(n) = (sum of digits of n) * (product of digits of n). A66308