Properties of the Number 38641

Thirty-Eight Thousand Six Hundred Forty-One

Basics

Value: 38640 → 38641 → 38642

Parity: odd

Prime: No

Previous Prime: 38639

Next Prime: 38651

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 17 × 2273

Divisors: 1, 17, 2273, 38641

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1001011011110001

Octal: 113361

Duodecimal: 1A441

Hexadecimal: 96f1

Square: 1493126881

Square Root: 196.57314160383152

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) = dot_product(1,2,...,n)*(7,8,...,n,1,2,3,4,5,6). A26049

Third row of Pascal-(1,7,1) array A081582. A81593

a(n) = n! * ∑_{k=0..floor(n/4)} (-1)^k / (n-4·k)!. A337751

Truncated hex numbers: a(n) = 24·n² + 6·n + 1. A381424

Number of solutions to x² + y² + z² < n²; number of lattice points inside a sphere of radius n. A78183

a(n) = 2·prime(n)² - 1. A179262

a(n) = n! * ∑_{k=0..floor(n/4)} (-1)^k / (4·k)!. A349087

Expansion of e.g.f. exp( x·exp(-x³) ). A358063

E.g.f. satisfies A(x) = exp(x·A(-x³)). A367722

Special rounded values of the generalized hypergeometric function of the type 5F0. A153029