Properties of the Number -32281

Thirty-Two Thousand Two Hundred Eighty-One

Basics

Value: -32282 → -32281 → -32280

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 19 × 1699

Divisors: 1, 19, 1699, 32281

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111111000011001

Octal: -77031

Duodecimal: -16821

Hexadecimal: -7e19

Square: 1042062961

Square Root: 179.66914036639682

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

Triangle read by rows: T(n,k) = number of j-covers of [n] with j<=k, k=1..2ⁿ-1. A369950

Main diagonal of table A083050. A83052

Number of compositions of n such that the smallest part divides every part. A130711

a(n) = floor(M(g(n-1)+1, ..., g(n))), where M = harmonic mean and g(n) = n³ + n² + n + 1. A227015

Partial sums of A037276. A287883

Expansion of e.g.f. exp(∑_k>=0 x^{6·k + 1} / (6·k + 1)!). A333883

Numbers n such that n divides the (right) concatenation of all numbers <= n written in base 9 (most significant digit on right). A29502

a(n) = A193466(n)/n for n>=1. A193468

Number of arrays of 4 integers in -n..n with sum zero and equal numbers of elements greater than zero and less than zero. A201812

Number of partitions satisfying cn(0,5) + cn(2,5) + cn(3,5) < cn(1,5) + cn(4,5). A39881