Properties of the Number -84285

Eighty-Four Thousand Two Hundred Eighty-Five

Basics

Value: -84286 → -84285 → -84284

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 5 × 1873

Divisors: 1, 3, 5, 9, 15, 45, 1873, 5619, 9365, 16857

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10100100100111101

Octal: -244475

Duodecimal: -40939

Hexadecimal: -1493d

Square: 7103961225

Square Root: 290.31879029783795

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

Expansion of e.g.f.: 1/(2-x-exp(x)). A6155

Consider sequence of fractions A066657/A066658 produced by ratios of terms in A066720; let m = smallest integer such that all fractions 1/n, 2/n, ..., (n-1)/n have appeared when we reach A066720(m) = k; sequence gives values of m; set a(n) = -1 if some fraction i/n never appears. A66849

Number of binary words of length n such that the difference between the number of 1's and the number of 0's is in the interval [-2,3] for every prefix and in the interval [-3,2] for every suffix. A306315

Fibonacci sequence beginning 1, 32. A22402

Antidiagonal sums of A059450. A368773

Number of n X 2 1..6 arrays containing at least one of each value, all equal values connected, rows considered as a single number in nondecreasing order, and columns considered as a single number in nonincreasing order. A166828