Properties of the Number -209953

Two Hundred Nine Thousand Nine Hundred Fifty-Three

Basics

Value: -209954 → -209953 → -209952

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 209953

Divisors: 1, 209953

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110011010000100001

Octal: -632041

Duodecimal: -A1601

Hexadecimal: -33421

Square: 44080262209

Square Root: 458.20628542175194

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

Class 1- (or Pierpont) primes: primes of the form 2^t*3^u + 1. A5109

Primes of form 1+(2^a)*(3^b), a>0, b>0. A58383

Primes of the form 8·k² + 1. A90685

Primes obtained as the product of successive terms of A084039 + 1, i.e., a(n) = A084039(n)*A084039(n+1) + 1. A84040

Numbers n such that σ(n) = 2n - 3*φ(φ(n)). A110074

Greatest prime factor of 2·n⁴ + 1. A140538

Generalized cuban primes (A007645) which are also Class 1- (or Pierpont) primes (A005109). A217035

Primes which are divisors of numbers of the form (2^φ(3^k) - 1)/3^k. A152008

Number of (n+2) X (1+2) 0..1 arrays with each 3 X 3 subblock having clockwise perimeter pattern 00010001 00010101 or 01010101. A261106

Numbers k such that 2^{3^j} == 1 (mod k) for some j. A318688