Properties of the Number -1333333

Three Hundred Thirty-Three Thousand Three Hundred Thirty-Three

Basics

Value: -1333334 → -1333333 → -1333332

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 23 × 29 × 1999

Divisors: 1, 23, 29, 667, 1999, 45977, 57971, 1333333

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

375 Try Today's Challenge

Representations

Binary: -101000101100001010101

Octal: -5054125

Duodecimal: -543731

Hexadecimal: -145855

Square: 1777776888889

Square Root: 1154.7003940416753

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

Fermat pseudoprimes to base 2 of the form (n² + 2·n)/3. A216170

Fermat pseudoprimes to base 2 that are octagonal. A321868

Minimum number k for which the digital sum of k·n is 4·n. A147824

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

Minimum number k for which the digital sum of k·n is 10·n. A147830

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

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