Properties of the Number 19474

Nineteen Thousand Four Hundred Seventy-Four

Basics

Value: 19473 → 19474 → 19475

Parity: even

Prime: No

Previous Prime: 19471

Next Prime: 19477

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 7 × 13 × 107

Divisors: 1, 2, 7, 13, 14, 26, 91, 107, 182, 214

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 100110000010010

Octal: 46022

Duodecimal: B32A

Hexadecimal: 4c12

Square: 379236676

Square Root: 139.54927445171472

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

T(n,k)=Number of nXk binary arrays with top left element equal to 1 and no two ones adjacent horizontally or nw-se. A228796

Triangle T read by rows: matrix product of Pascal and Catalan triangle. A104259

Number of modified skew Dyck paths of semilength n. A230823

Non-balanced numbers in A015771. A78549

Row sums in A082259. A82261

Numbers k such that 6^k - 7 is prime. A217352

Number of triple-crossings of diagonals in the regular 2n-gon. A260417

Expansion of ∏_k>=1 1/(1 - (5·k-2)*x^5·k-2). A265832

Numbers n such that first n digits of Soldner's constant gives a prime number. A122422

Inverse of Fibonacci convolution array A154929. A154930