Properties of the Number 19175

Nineteen Thousand One Hundred Seventy-Five

Basics

Value: 19174 → 19175 → 19176

Parity: odd

Prime: No

Previous Prime: 19163

Next Prime: 19181

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 5 ² × 13 × 59

Divisors: 1, 5, 13, 25, 59, 65, 295, 325, 767, 1475

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100101011100111

Octal: 45347

Duodecimal: B11B

Hexadecimal: 4ae7

Square: 367680625

Square Root: 138.4738242412623

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 simple grammar: power set of pairs of sequences. A52812

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the maximum plus the lower median of every 2X2 subblock equal. A237481

a(n) = n*(n+1)*(7·n+2)/6. A255211

a(n) = (2·n³ + 5·n² - 7·n)/2. A162261

Irregular triangle read by rows: T(n,k) is the number of flattened Catalan words of length n with exactly k symmetric peaks, with k >= 0. A372883

Expansion of (1-x)/(1-x-x³-x⁴+x⁵). A52532

Number of isoscent sequences of length n with maximal number of descents. A243484

Numbers k such that k and k+1 are both hoax numbers (A019506). A329935

Self-convolution of row n of array T given by A026736. A27215

Numbers k such that k² is composed of three 1-digit-overlapping subsquares. A48426