ℕ atory
Play Now

Properties of the Number 19041

Nineteen Thousand Forty-One

Basics

Value: 19040 → 19041 → 19042

Parity: odd

Prime: No

Previous Prime: 19037

Next Prime: 19051

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 11 × 577

Divisors: 1, 3, 11, 33, 577, 1731, 6347, 19041

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100101001100001

Octal: 45141

Duodecimal: B029

Hexadecimal: 4a61

Square: 362559681

Square Root: 137.98913000667844

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) = n*(n2 + 2·n - 1)/2. A127736
T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 0 and 1 0 1 vertically. A207785
T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with every element equal to some horizontal, vertical or antidiagonal neighbor, with top left element zero. A232038
Number of directed 3-regular graphs on n nodes. A219890
Centered 32-gonal numbers. A195315
Number of directed 4-regular graphs on n nodes. A219891
T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 2, 3, 5, 6 or 8 king-move adjacent elements, with upper left element zero. A299458
T(n,k)=Number of nXk 0..1 arrays with every element equal to 1, 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A300546
T(n,k)=Number of nXk 0..1 arrays with every element equal to 1, 2, 3, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A300930
T(n,k)=Number of nXk 0..1 arrays with every element equal to 1, 2, 3, 4 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A300973