Properties of the Number -196

One Hundred Ninety-Six

Basics

Value: -197 → -196 → -195

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 7 ²

Divisors: 1, 2, 4, 7, 14, 28, 49, 98, 196

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -11000100

Octal: -304

Duodecimal: -144

Hexadecimal: -c4

Square: 38416

Square Root: 14

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

a(n) = -2·n² + 12·n - 14. A147973

Scaled coefficient table for Chebyshev polynomials 2·T(2·n, sqrt(x)/2) (increasing even scaled powers, without zero entries). A127677

G.f.: ∏_k>0 (1-x^2k-1)/(1-x^2k). A106507

Triangle of Lehmer-Comtet numbers of the first kind. A8296

Riordan array ((1-x)/(1+x), x/(1+x)²). A110162

Triangle read by rows: T(n, m) = S1(n, m)*7^n-m, where S1 are the signed Stirling numbers of first kind A008275 (n >= 1, 1 <= m <= n). A51186

Alternating partial sums of A000217. A83392

Irregular triangle read by rows of the initial floor(n/2) + 1 coefficients of 1/C(x)ⁿ, where C(x) is the g.f. of the Catalan sequence (A000108). A132460

Coefficients in asymptotic expansion of sequence A259869. A260578

Stirling1 transform of Catalan numbers: ∑_k=0..n Stirling1(n,k)*binomial(2·k,k)/(k+1). A86672