Properties of the Number 19026

Nineteen Thousand Twenty-Six

Basics

Value: 19025 → 19026 → 19027

Parity: even

Prime: No

Previous Prime: 19013

Next Prime: 19031

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 7 × 151

Divisors: 1, 2, 3, 6, 7, 9, 14, 18, 21, 42

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 100101001010010

Octal: 45122

Duodecimal: B016

Hexadecimal: 4a52

Square: 361988676

Square Root: 137.93476719087178

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

a(n)-th and (a(n)+1)-st primes are the first pair of primes that differ by exactly 2n; a(n) = -1 if no such pair of primes exists. A38664

Sums of two distinct prime cubes. A120398

Number of partitions of n such that all parts, with the possible exception of the smallest, appear only once. A115029

Sum of third powers of two consecutive primes. A133534

T(n,k)=Number of nXk 0..1 arrays with each 1 horizontally or vertically adjacent to 1, 2 or 3 1s. A295416

Fourier coefficients of the modular form (1/28)*(E₆(t)+27·E₆(3·t)). A341305

Triangle of numbers of permutations eliminating just k cards out of n in game of Mousetrap. A28305

Number of states in minimal automaton that recognizes biquanimous numbers in base n. A65023

Expansion of (1+x)^1/(1-x). A73478

Twice 13-gonal numbers: a(n) = n*(11·n - 9). A152997