Properties of the Number -217253

Two Hundred Seventeen Thousand Two Hundred Fifty-Three

Basics

Value: -217254 → -217253 → -217252

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 217253

Divisors: 1, 217253

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -110101000010100101

Octal: -650245

Duodecimal: -A5885

Hexadecimal: -350a5

Square: 47198866009

Square Root: 466.10406563341627

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

Each entry is the first of three consecutive primes with equal digital sum. A209396

a(n) = least prime > (5/3)*a(n - 1)*a(n - 3)/a(n - 2), with a(1) = 2, a(2) = 3, a(3) = 5. A377544

Number of 5 X n binary arrays with a path of adjacent 1's and no path of adjacent 0's from top row to bottom row. A69419

Number of n X 4 binary arrays with a path of adjacent 1's and no path of adjacent 0's from top row to bottom row. A69424