Properties of the Number 19253

Nineteen Thousand Two Hundred Fifty-Three

Basics

Value: 19252 → 19253 → 19254

Parity: odd

Prime: No

Previous Prime: 19249

Next Prime: 19259

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 13 × 1481

Divisors: 1, 13, 1481, 19253

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100101100110101

Octal: 45465

Duodecimal: B185

Hexadecimal: 4b35

Square: 370678009

Square Root: 138.75518008348374

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) = least k such that the remainder when 28^k is divided by k is n. A128368

Row sums from A144562. A144640

Number of non-equivalent ways (mod D₂) to select 4 points from n equidistant points on a straight line so that no selected point is equally distant from two other selected points. A300761

a(n) = ∑_k=0..n (-1)^k * binomial(2·n+k-1,k) * binomial(6·n-k-1,n-k). A370104

a(1)=4, then least semiprime > a(n-1) such that when all in the sequence are concatenated together they form a prime. A85703

Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite VNI = VPI-9 Rb44K4[Zn24Si96O240].48H2O starting with a T2 atom. A19253