Properties of the Number -4950

Nine Hundred Fifty

Basics

Value: -4951 → -4950 → -4949

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 5 ² × 11

Divisors: 1, 2, 3, 5, 6, 9, 10, 11, 15, 18

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: Yes

Heptagonal: No

Tetrahedral: No

Today's Target

9108 Try Today's Challenge

Representations

Binary: -1001101010110

Octal: -11526

Duodecimal: -2A46

Hexadecimal: -1356

Square: 24502500

Square Root: 70.35623639735144

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

G.f. satisfies A(x) = 1 + x·A(x) / (1 + x·A(x)²). A364735

Triangle of Hankel transforms of binomial(n+k, k). A120247

Expansion of e.g.f. tan(sin(x) + log(x+1)). A12889

tan(arcsinh(x)+log(x+1))=2·x-1/2!*x²+17/3!*x³-54/4!*x⁴+685/5!*x⁵... A13072

Expansion of 1 - 2·x - 2·x²/(1 - 3·x - 4·x²/(1 - 4·x - 6·x²/(1 - 5·x - 8·x²/(1 - 6·x - 10·x²/(...))))), a continued fraction. A292831

Numbers k such that (35·10^k - 11)/3 is prime. A268448

Triangle of Narayana numbers T(n,k) = C(n-1,k-1)*C(n,k-1)/k with 1 <= k <= n, read by rows. Also called the Catalan triangle. A1263

Binomial coefficients C(100,n). A17816

Triangle of Narayana (A001263) with 0 <= k <= n, read by rows. A90181

a(n) = n² * (n² - 1)/2. A83374