Properties of the Number 66242

Sixty-Six Thousand Two Hundred Forty-Two

Basics

Value: 66241 → 66242 → 66243

Parity: even

Prime: No

Previous Prime: 66239

Next Prime: 66271

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 11 × 3011

Divisors: 1, 2, 11, 22, 3011, 6022, 33121, 66242

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000001011000010

Octal: 201302

Duodecimal: 32402

Hexadecimal: 102c2

Square: 4388002564

Square Root: 257.3752124816996

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

Number of triples (a, b, c) with gcd(a, b, c) = 1 and -n <= a,b,c <= n. A175549

Sphenic numbers k = p·q*r such that reversal(k) is also a sphenic number and reversal(k) = reversal(p)*reversal(q)*reversal(r). A242726

A sequence generated from a 4th degree Pascal's Triangle polynomial. A95265

a(n)= a(n-1) +3·a(n-2) -3·a(n-4). A107384

The floor((log(x))²)-perfect numbers, where f-perfect numbers for an arithmetical function f are defined in A066218. A66242