Properties of the Number -133333

One Hundred Thirty-Three Thousand Three Hundred Thirty-Three

Basics

Value: -133334 → -133333 → -133332

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 151 × 883

Divisors: 1, 151, 883, 133333

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -100000100011010101

Octal: -404325

Duodecimal: -651B1

Hexadecimal: -208d5

Square: 17777688889

Square Root: 365.1479152343609

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 g.f. (1+2·x)/((1-x)*(1-10·x)). A97166

Pseudoprimes to base 4, written in base 4. A262101

a(n) = ∑_k=0..n 2^k * binomial(4·n,k) * binomial(4·n-k-1,n-k). A386719

a(n) = ∑_k=0..n C(floor((n+1)/2),floor((k+1)/2)) * 3^k. A97169

Numbers k such that the k-th triangular number contains only digits {1,8,9}. A119151

Starting from 1, successively take the smallest "Choix de Bruxelles" with factor 13 which is not already in the sequence. A360190

Number of Fibonacci numbers F(k), k <= 10ⁿ, which end in 9. A73556

Near-repdigit semiprimes with 3 as repeated digit. A105984

a(n) = A133195(n)/3. A133201

Smallest semiprime containing exactly n 3's. A104685