Properties of the Number -19094

Nineteen Thousand Ninety-Four

Basics

Value: -19095 → -19094 → -19093

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 9547

Divisors: 1, 2, 9547, 19094

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -100101010010110

Octal: -45226

Duodecimal: -B072

Hexadecimal: -4a96

Square: 364580836

Square Root: 138.181040667669

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

a(n) = Least integer k such that A249431(k) = n, and -1 if no such integer exists. A249430

Number of terms of A069090 with exactly n digits. A276707

Integers m of the form m = 3·p + 5·q = 5·r + 7·s where {p,q} and {r,s} are pairs of consecutive primes. A283392

From George Gilbert's marks problem: jumping 6 marks at a time (final positions). A19996

a(n) = 2·a(n-2) + a(n-3) + a(n-4) for n>=4, a(n) = binomial(n,3) for n<4. A240607

Number of nX7 0..1 arrays with every element equal to 0, 1, 2 or 4 king-move adjacent elements, with upper left element zero. A297888

Indices k where k/A109812(k) reaches a new high point. A352919

Expansion of (1/x) * Series_Reversion( x * (1+x²/(1-x))² ). A369076

E.g.f. satisfies A(x) = 1/(1 + A(x)² * log(1 - x))². A377411