Properties of the Number -280408

Two Hundred Eighty Thousand Four Hundred Eight

Basics

Value: -280409 → -280408 → -280407

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ³ × 35051

Divisors: 1, 2, 4, 8, 35051, 70102, 140204, 280408

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1000100011101011000

Octal: -1043530

Duodecimal: -116334

Hexadecimal: -44758

Square: 78628646464

Square Root: 529.5356456368164

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

Triangle read by rows: T(n,k) appears in the transformation ∑_k=0..n (k+1)*x^k = ∑_k=0..n T(n,k)*(x+k)^k. A247236

Expansion of ∏_k>=1 (1 + x^k) * (1 + x^2·k) * (1 + x^3·k) * (1 + x^4·k) / ((1 - x^k) * (1 - x^2·k) * (1 - x^3·k) * (1 - x^4·k)). A327049

Lower (1/2)-midsequence of Fibonacci numbers (A000045) and tribonacci numbers (A000213); see Comments. A390348

Upper (1/2)-midsequence of Fibonacci numbers (A000045) and tribonacci numbers (A000213); see Comments. A390349