Properties of the Number 19038

Nineteen Thousand Thirty-Eight

Basics

Value: 19037 → 19038 → 19039

Parity: even

Prime: No

Previous Prime: 19037

Next Prime: 19051

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 19 × 167

Divisors: 1, 2, 3, 6, 19, 38, 57, 114, 167, 334

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100101001011110

Octal: 45136

Duodecimal: B026

Hexadecimal: 4a5e

Square: 362445444

Square Root: 137.97825915701358

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

Multiples of 19 containing a 19 in their decimal representation. A121039

a(n) = ∑_k=0..n A109613(k)*A005843(n-k). A171218

Group successively larger prime numbers so that the sum of the n-th group is a multiple of n. Sequence gives the sum for each group. A74128

[xⁿ⁺¹]Reversion[x*(1-x)/(1-3·x)]. A152681

The number of binary pattern classes in the (2,n)-rectangular grid with 3 '1's and (2n-3) '0's: two patterns are in same class if one of them can be obtained by a reflection or 180-degree rotation of the other. A225972

Numerators of continued fraction convergents to sqrt(46). A41078

Expansion of (sqrt(1+2x+9x²)+x-1)/(2x). A125695

Least number·such that xⁿ has n digits equal to k. Case k=4. A285451

Magnetization for honeycomb lattice. A7206

a(n) = (sum of first n primes)² + sum of (squares of first n primes). A65762