Properties of the Number 19057

Nineteen Thousand Fifty-Seven

Basics

Value: 19056 → 19057 → 19058

Parity: odd

Prime: No

Previous Prime: 19051

Next Prime: 19069

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 17 × 19 × 59

Divisors: 1, 17, 19, 59, 323, 1003, 1121, 19057

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100101001110001

Octal: 45161

Duodecimal: B041

Hexadecimal: 4a71

Square: 363169249

Square Root: 138.0470934138057

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

Partial sums of A002522, starting at n=1. A145066

Alternating sum of octagonal pyramidal numbers. A269429

Numbers whose base-5 representation contains exactly three 1's and three 2's. A45232

Number of ways to place zero or more nonadjacent 0,0 1,0 1,1 2,0 2,2 polyhexes in any orientation on a planar nXnXn triangular grid. A155232

Values y for infinite sequence x³-y² = d with decreasing coefficient r=sqrt(x)/d which tend to 1/(1350·sqrt(5))or infinity family of solutions Mordell curve with extension sqrt(5). A201226

Number of (n+1)X(6+1) 0..2 arrays with nondecreasing sum of every two consecutive values in every row and column. A250441

Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite φ = Phillipsite K2(Ca,Na2)2[Al6Si10O32].12H2O starting at a T1 atom. A19057