Properties of the Number -940421

Nine Hundred Forty Thousand Four Hundred Twenty-One

Basics

Value: -940422 → -940421 → -940420

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 940421

Divisors: 1, 940421

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11100101100110000101

Octal: -3454605

Duodecimal: -394285

Hexadecimal: -e5985

Square: 884391657241

Square Root: 969.7530613511875

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

Define Sophie Germain isolated primes to be primes p such that 2p+1 is also prime and so that p-2 and p+2 are not primes. The sequence contains Sophie Germain isolated primes p such that the previous prime to p and the succeeding prime to p are both also Sophie Germain isolated primes. A171162

Sophie Germain primes p surrounded by Sophie Germain primes. A171161