Properties of the Number -1448

Four Hundred Forty-Eight

Basics

Value: -1449 → -1448 → -1447

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ³ × 181

Divisors: 1, 2, 4, 8, 181, 362, 724, 1448

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10110101000

Octal: -2650

Duodecimal: -A08

Hexadecimal: -5a8

Square: 2096704

Square Root: 38.05259518088089

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

Expansion of (f(-x²) / φ(-x³))² in powers of·where φ(), f() are Ramanujan θ functions. A233034

Sum at 45 degrees to horizontal in triangle of A081498. A81499

Expansion of η(q)⁴ * η(q²) * η(q⁶)⁵ / η(q³)⁴ in powers of q. A111661

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 126", based on the 5-celled von Neumann neighborhood. A270216

Expansion of ∑_i>=1 μ(i) * xⁱ * ∏_j>=1 (1 - x^i·j)²⁴. A308492

Number of hexagonal polyominoes (or hexagonal polyforms, or planar polyhexes) with n cells. A228

a(n) = n² + 4. A87475

Number of partitions of n such that number of odd parts is greater than or equal to number of even parts. A130780

Powers of sqrt(2) rounded down. A17910

Triangle T(n, k, m) = (m*(n-k) + 1)*T(n-1, k-1, m) + (m·k + 1)*T(n-1, k, m) + m·f(n,k)*T(n-2, k-1, m) with T(n, 0, m) = T(n, n, m) = 1, f(n, k) = 2·k+1 if k <= floor(n/2) otherwise 2*(n-k)+1, and m = 2, read by rows. A157273