Properties of the Number -209401

Two Hundred Nine Thousand Four Hundred One

Basics

Value: -209402 → -209401 → -209400

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 209401

Divisors: 1, 209401

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110011000111111001

Octal: -630771

Duodecimal: -A1221

Hexadecimal: -331f9

Square: 43848778801

Square Root: 457.60354019609593

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

Smaller of two consecutive prime numbers such that p1·p2·d - d = average of twin prime pairs, d (δ) = p2 - p1. A153378

Primes p such that if q and r are the next two primes, (p - 1)² + 1, (q - 1)² + 1 and (r - 1)² + 1 are all prime. A376605