Properties of the Number -9486

Four Hundred Eighty-Six

Basics

Value: -9487 → -9486 → -9485

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 17 × 31

Divisors: 1, 2, 3, 6, 9, 17, 18, 31, 34, 51

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10010100001110

Octal: -22416

Duodecimal: -55A6

Hexadecimal: -250e

Square: 89984196

Square Root: 97.39609848448757

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 1/sqrt(1 - 4·x*(1-x)²). A361815

17-gonal (or heptadecagonal) numbers: a(n) = n*(15·n-13)/2. A51869

a(n) = n*(2·n² -3·n +7)/6 = C(n, 1) + C(n, 2) + 2·C(n, 3). A81489

a(n) = n*(8·n+7). A139278

Number of Young tableaux of height <= 8. A7580

Triangle read by rows: Take an equilateral triangle with all diagonals drawn, as in A092867. Then T(n,k) = number of k-sided polygons in that figure for k = 3, 4, ..., n+2 and where n is the number of equal parts each side is divided into. A331911

Partial sums of rows of A047884. Young Tableaux by height. A49400

Convolution of level 2 of the divisor function. A218276

a(n) = ∏_{d∣n, d<n} prime(1+A003415(d)), where A003415(d) gives arithmetic derivative of d. A319356

Total number of ascents in all heapable permutations of length n. A389792