Properties of the Number 19023

Nineteen Thousand Twenty-Three

Basics

Value: 19022 → 19023 → 19024

Parity: odd

Prime: No

Previous Prime: 19013

Next Prime: 19031

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 17 × 373

Divisors: 1, 3, 17, 51, 373, 1119, 6341, 19023

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100101001001111

Octal: 45117

Duodecimal: B013

Hexadecimal: 4a4f

Square: 361874529

Square Root: 137.92389205645264

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

Numbers k such that k² contains exactly 9 different digits. A54037

Numbers whose square is a zeroless pandigital number (i.e., use the digits 1 through 9 once). A71519

a(0)=4; a(n)=n²+a(n-1) for n>0. A153058

Maximum coefficient of (1 - x)³ * (1 - x²)³ * (1 - x³)³ * ... * (1 - xⁿ)³. A369711

Numbers k such that any two consecutive decimal digits of k² differ by 1 after arranging the digits in decreasing order. A370362

G.f. A(x) satisfies: 1 - x = ∑_n>=0 (x^5·n + (-1)ⁿ*A(x))ⁿ. A352821

Triangle read by rows: distribution of adjacent transpositions in involutions. A217876

Numbers whose square contains all of the digits 1 through 9. A294661

Maximum of the absolute value of the coefficients of (1 - x)³ * (1 - x²)³ * (1 - x³)³ * ... * (1 - xⁿ)³. A369983

Nearest integer to 1/(∑_k>=n 1/k⁴). A83559