Properties of the Number 19047

Nineteen Thousand Forty-Seven

Basics

Value: 19046 → 19047 → 19048

Parity: odd

Prime: No

Previous Prime: 19037

Next Prime: 19051

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 7 × 907

Divisors: 1, 3, 7, 21, 907, 2721, 6349, 19047

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 100101001100111

Octal: 45147

Duodecimal: B033

Hexadecimal: 4a67

Square: 362788209

Square Root: 138.01086913718063

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

Values y for records of the minima of the positive distance d between the eleventh power of a positive integer·and the square of an integer y such that d = x¹¹ - y² (x <> k² and y <> k¹¹). A179795

T(n,k)=Number of nXk 0..2 arrays with rows and columns in lexicographic nondecreasing order but with exactly three mistakes. A278372

Integer part of square root of n¹¹ = A008455(n). A155015

Numbers that can be represented in more than one way as p²+p·q+q² with p and q primes, p<=q. A349987

Powers of sqrt(6) rounded down. A17922

Integers n > 10563 such that the 'Reverse and Add!' trajectory of n joins the trajectory of 10563. A63064

Number of ways to place 4 nonattacking knights on an n X n cylindrical board. A172966

Powers of sqrt(6) rounded to nearest integer. A17923

Powers of fourth root of 6 rounded down. A18060

Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 92. A31770