Properties of the Number -9387

Three Hundred Eighty-Seven

Basics

Value: -9388 → -9387 → -9386

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 7 × 149

Divisors: 1, 3, 7, 9, 21, 63, 149, 447, 1043, 1341

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -10010010101011

Octal: -22253

Duodecimal: -5523

Hexadecimal: -24ab

Square: 88115769

Square Root: 96.88653157173086

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, T(n, k) = (1/2)*(n+2)! * [x^k]( p(x, n) ), where p(x,0) = 1, p(x,1) = -x, P(x, n) = (1/(n+1))*( (2·n-x)*P(x, n-1) - n·P(x, n-2) ), read by rows. A136532

The number of P-positions in the game of Nim with up to four piles, allowing for piles of zero, such that the total number of objects in all piles doesn't exceed 2n. A237686

Irregular table read by rows: Take a nonagon with all diagonals drawn, as in A332421. Then T(n,k) = number of k-sided polygons in that figure for k >= 3. A332427

Digitally balanced numbers in both bases 2 and 3. A49361

Larger of Smith brothers. A50220

Numerators of continued fraction convergents to sqrt(449). A41854

a(n) = 26·n² + 1. A158549

a(n) = 361·n + 1. A158310

Composite numbers n such that 8·n²-2·n-1 divides the primitive part U(n) of Fibonacci(n). A159234

Number of Steinhaus graphs of order n and diameter 2. A246319