Properties of the Number -578949

Five Hundred Seventy-Eight Thousand Nine Hundred Forty-Nine

Basics

Value: -578950 → -578949 → -578948

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 42

Digital Root: 6

Palindrome: No

Factorization: 3 × 7 × 19 × 1451

Divisors: 1, 3, 7, 19, 21, 57, 133, 399, 1451, 4353

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10001101010110000101

Octal: -2152605

Duodecimal: -23B059

Hexadecimal: -8d585

Square: 335181944601

Square Root: 760.8869824093457

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

Narayana's cows sequence: a(0) = a(1) = a(2) = 1; thereafter a(n) = a(n-1) + a(n-3). A930

Bisection of A000930. A2478

a(n) = a(n-1) + a(n-3) for n >= 3, with a(0) = 1, a(1) = a(2) = 0. This recurrence can also be used to define a(n) for n < 0. A78012

Expansion of (1-x)²/(1 - 4·x + 3·x² - x³). A52544

a(n) = n-1, if n <= 2, otherwise A107458(n-1) + A107458(n-2). A135851

Number of ways to tile a 2 X n room with 1 X 2 Tatami mats. At most 3 Tatami mats may meet at a point. A68921

a(n) = ∑_k=0..2·n binomial(2·k,2·n-k). A391594

Pisot sequence P(4,6). A48625

G.f.: 1/(1+x+x³). A199804

INVERT transform of [1, 0, 1, 3, 9, 27, 81, ...]. A204200