Properties of the Number 66237

Sixty-Six Thousand Two Hundred Thirty-Seven

Basics

Value: 66236 → 66237 → 66238

Parity: odd

Prime: No

Previous Prime: 66221

Next Prime: 66239

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 22079

Divisors: 1, 3, 22079, 66237

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000001010111101

Octal: 201275

Duodecimal: 323B9

Hexadecimal: 102bd

Square: 4387340169

Square Root: 257.3654988532845

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 strings of n numbers x(i) in -2..2 with sums of x(i) and of x(i)*x(i+1) both zero. A183937

The number of binary self numbers not exceeding 2ⁿ. A386569

Numbers k such that (77·10^k - 257)/9 is prime. A293277

T(n,k)=Number of strings of n numbers x(i) in -k..k with sums of x(i) and of x(i)*x(i+1) both zero. A183944

First differences give A052849. A66237