Properties of the Number 8141

Eight Thousand One Hundred Forty-One

Basics

Value: 8140 → 8141 → 8142

Parity: odd

Prime: No

Previous Prime: 8123

Next Prime: 8147

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 7 × 1163

Divisors: 1, 7, 1163, 8141

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 1111111001101

Octal: 17715

Duodecimal: 4865

Hexadecimal: 1fcd

Square: 66275881

Square Root: 90.22749026765624

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

Triangle read by rows: T(n,k) gives number of r-bicoverings of an n-set with k blocks, n >= 2, k = 3..n+floor(n/2). A60052

T(n,k)=Number of nXk 0..1 arrays with every element unequal to 0, 1, 2, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero. A317036

Square array A(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of e.g.f. exp(k·x)*(sec(x) + tan(x)). A292975

Number of solutions to a+b+c = d+e+f with 0 < a <= n, 0 <= b,c,d,e,f <= n. A197083

a(n) = 6·n² + 10·n + 5. A201279

a(n) = n! * [xⁿ] exp(n·x)*(sec(x) + tan(x)). A292976

Consecutive states of the linear congruential pseudo-random number generator used by OMNITAB II when started at 1. A384152

a(n) = A070952(2ⁿ). A246023

Number of slanted 2 X n (i=1..2) X (j=i..n+i-1) 1..4 arrays with all 1s connected, all 2s connected, all 3s connected, all 4s connected, 1 in the upper left corner, 2 in the upper right corner, 3 in the lower left corner, 4 in the lower right corner, and with no element having more than 2 neighbors with the same value. A165392

a(n) = (11·n² + 11·n - 20)/2. A166144