Properties of the Number -30474

Thirty Thousand Four Hundred Seventy-Four

Basics

Value: -30475 → -30474 → -30473

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 1693

Divisors: 1, 2, 3, 6, 9, 18, 1693, 3386, 5079, 10158

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -111011100001010

Octal: -73412

Duodecimal: -15776

Hexadecimal: -770a

Square: 928664676

Square Root: 174.56803831171388

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

T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 2, 3, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A300923

G.f.: A(x) = 1 + x*(A₂)³; A₂ = 1 + x²*(A₃)³; A₃ = 1 + x³*(A₄)³; ... A_n = 1 + xⁿ*(A_n+1)³ for n>=1 with A₁ = A(x). A132330

Let c(k) denote the k-th composite number and p(k) the k-th prime number; then a(n) = ∑_{i=n*(n-1)/2+1 .. n*(n+1)/2} c(i) - ∑_i=1..n p(i). A24850

Number of n X 4 0..1 arrays with every element equal to 0, 2, 3, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A300919

Number of nX6 0..1 arrays with every element equal to 0, 2, 3, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A300921

Numbers k such that (56·10^k + 223)/9 is prime. A275524