Properties of the Number -121081

One Hundred Twenty-One Thousand Eighty-One

Basics

Value: -121082 → -121081 → -121080

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 121081

Divisors: 1, 121081

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11101100011111001

Octal: -354371

Duodecimal: -5A0A1

Hexadecimal: -1d8f9

Square: 14660608561

Square Root: 347.9669524538214

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 p such that q-p = 42, where q is the next prime after p. A134120

a(n) = prevprime(A090117(n)), the largest prime previous to squares given in A090117, being such that distance of a(n) to the following prime equals 2·n. A90118

Primes of the form p² + q² - 1 where p and q are consecutive primes. A227340

Value of prime number D for incrementally largest values of minimal·satisfying the equation x² - D·y² = 5. A341079

Number of ways to write n as an ordered sum of 1's, 2's and 3's such that no 2 precedes any 1. A124062

Value of prime number D for incrementally largest values of minimal y satisfying the equation x²-D·y²=5. A341081

Pisot sequence E(6,16), a(n) = floor( a(n-1)²/a(n-2) + 1/2 ). A10915

E.g.f. A(x) satisfies A(x) = exp( x/(1-x)³ * A(x)² ). A390300