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Properties of the Number -19448

Nineteen Thousand Four Hundred Forty-Eight

Basics

Value: -19449 → -19448 → -19447

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 3 × 11 × 13 × 17

Divisors: 1, 2, 4, 8, 11, 13, 17, 22, 26, 34

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -100101111111000

Octal: -45770

Duodecimal: -B308

Hexadecimal: -4bf8

Square: 378224704

Square Root: 139.45608627808252

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

Inverse of twin-prime related triangle A111125. A113187
Irregular triangle read by rows: coefficients of minimal polynomial of a certain algebraic number S2(2·k+1) from Q(2·cos(π/n)) related to the regular (2·k+1)-gon, k >= 1. A228781
First term of n-th difference sequence of (floor(r·k)), r = log(3), k >= 0. A325752
Inverse of binomial transform of Whitney triangle. A97761
Triangle read by rows: T(0,0)=1; for n>=1 T(n,k) is the coefficient of xk in the monic characteristic polynomial of the n X n band matrix with main diagonal 2,3,3,..., subdiagonal -3,-3,-3,..., sub-subdiagonal 1,1,1,... and superdiagonal -1,-1,-1,... (0<=k<=n). A124019
G.f. A(x) satisfies A(A(x)) = ∑k>=1 k2 * 2k-1 * xk. A372493
G.f. satisfies: A(x) = 1 + 2·x*sqrt(A(x)/A(-x)). A198786
Binomial coefficient C(2n+1, n-1). A2054
a(n) = binomial coefficient C(n,7). A580
Triangle read by rows: T(n, k) is the number of diagonal dissections of a convex n-gon into k+1 regions. A33282