Properties of the Number -9690

Six Hundred Ninety

Basics

Value: -9691 → -9690 → -9689

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 5 × 17 × 19

Divisors: 1, 2, 3, 5, 6, 10, 15, 17, 19, 30

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10010111011010

Octal: -22732

Duodecimal: -5736

Hexadecimal: -25da

Square: 93896100

Square Root: 98.4377976185977

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

Products of exactly 5 distinct primes. A46387

Ordered areas of primitive Pythagorean triangles. A24406

a(n) = 2·binomial(n,4). A34827

Numbers that are divisible by exactly 5 different primes. A51270

Areas of right triangles with coprime integer sides. A24365

Squarefree integers m > 1 such that if prime p divides m, then the sum of the base p digits of m is at least p. A324315

a(n) = (2/(n-1))*a(n-1) + ((n+5)/(n-1))*a(n-2) with a(0)=0 and a(1)=1. A96338

Sums of five consecutive squares: a(n) = n² + (n+1)² + (n+2)² + (n+3)² + (n+4)². A27578

a(n) = ∑_k=1..n-1 k*σ(k)*σ(n-k). A441

a(n) is the number of α-labelings of graphs with n edges. A5193