Properties of the Number 19058

Nineteen Thousand Fifty-Eight

Basics

Value: 19057 → 19058 → 19059

Parity: even

Prime: No

Previous Prime: 19051

Next Prime: 19069

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 13 × 733

Divisors: 1, 2, 13, 26, 733, 1466, 9529, 19058

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100101001110010

Octal: 45162

Duodecimal: B042

Hexadecimal: 4a72

Square: 363207364

Square Root: 138.0507153186828

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) = n*(2·n² -3·n +7)/6 = C(n, 1) + C(n, 2) + 2·C(n, 3). A81489

Row sums of A291904. A291905

a(0) = 16, after which, if a(n-1) = ∏_{k >= 1} (p_k)^c_k, then a(n) = (1/2) * (1 + ∏_{k >= 1} (p_k+1)^c_k), where p_k indicates the k-th prime, A000040(k). A246344

a(n) = 13·a(n-1) - 65·a(n-2) + 156·a(n-3) - 182·a(n-4) + 91·a(n-5) - 13·a(n-6), with initial terms 0, -2, -9, -44, -215, -1001. A216861

Limiting reverse row of the array A274193. A274200

a(n) = 6·binomial(n,4) + 5·binomial(n,2) - 4·n + 5. A66455

Monotonic ordering of nonnegative differences 3ⁱ-5^j, for 40>= i>=0, j>=0. A192149

Cyclops numbers whose squares are cyclops numbers. A239827

G.f. satisfies: A(x) = ∑_n>=0 q^n*(n+1/2) where q = x·A(x)⁸. A194043

Numbers whose second arithmetic derivative (A068346) is a primorial number (A002110) > 1. A368702