Properties of the Number -981091

Nine Hundred Eighty-One Thousand Ninety-One

Basics

Value: -981092 → -981091 → -981090

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 981091

Divisors: 1, 981091

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -11101111100001100011

Octal: -3574143

Duodecimal: -3B3917

Hexadecimal: -ef863

Square: 962539550281

Square Root: 990.500378596596

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

Primes of the form p² - p + 1 where p is prime. A74268

Primes p such that 2p²-1, 3p²-2, 4p²-3, and 5p²-4 are also prime. A213107

Primes p such that 2p²-1, 3p²-2, 4p²-3, 5p²-4 and 6p²-5 are also prime. A213125

Primes of the form p^e - p^e-1 + p^e-2 - ... + (-1)^e, where p is prime. A127727

Euler transform of 4 3 2 1 1 1 1 1 1 1 ... A29860

Smallest prime p such that (k+1)*p²-k are prime for k=1..n. A213162