Properties of the Number 66332

Sixty-Six Thousand Three Hundred Thirty-Two

Basics

Value: 66331 → 66332 → 66333

Parity: even

Prime: No

Previous Prime: 66301

Next Prime: 66337

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 7 × 23 × 103

Divisors: 1, 2, 4, 7, 14, 23, 28, 46, 92, 103

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000001100011100

Octal: 201434

Duodecimal: 32478

Hexadecimal: 1031c

Square: 4399934224

Square Root: 257.54999514657345

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) = 100·n² - 49·n + 6. A157651

Partial sums of A087207. A288566

Numbers k such that k and k² use only the digits 2, 3, 4, 6 and 9. A137073

Number of (n+4)X7 binary arrays with every 5X5 subblock commuting with each horizontal and vertical neighbor 5X5 subblock. A186603

Number of (n+4)X12 binary arrays with every 5X5 subblock commuting with each horizontal and vertical neighbor 5X5 subblock. A186608

Number of (n+2)X(4+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00001011 00010101 or 01010101. A261376

T(n,k)=Number of (n+4)X(k+4) binary arrays with every 5X5 subblock commuting with each horizontal and vertical neighbor 5X5 subblock. A186609

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00001011 00010101 or 01010101. A261380

Number of integer partitions of n that are either empty, or do not have smallest part dividing all the others, but do have greatest part divisible by all the others. A343344

a(1)=1; for n > 0, a(n+1) = rad(a(n))*n where rad=A007947. A66332