Properties of the Number -419

Four Hundred Nineteen

Basics

Value: -420 → -419 → -418

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 419

Divisors: 1, 419

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110100011

Octal: -643

Duodecimal: -2AB

Hexadecimal: -1a3

Square: 175561

Square Root: 20.46948949045872

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

Primes or negative values of primes in the sequence b(n) = 47·n² - 1701·n + 10181, n >= 0. A50267

Shifts left under reversion. A67145

Row sums of a number triangle related to the Pell numbers. A110331

a(n) = -n² + 9·n + 23. A126719

Second differences of A000463; first differences of A188652. A188653

Dirichlet convolution of Fibonacci numbers with A349452 (Dirichlet inverse of A011782, 2^n-1). A349565

a(1) = 1; a(n) = -∑_k=2..n k² * a(floor(n/k)). A360390

Expansion of (∏_j>=1 (1-(-x)^j) - 1)⁸ in powers of x. A1486

First differences of A000463. A188652

L.g.f.: log( ∑_k>=0 x^k³ ). A363783