Properties of the Number 40888

Forty Thousand Eight Hundred Eighty-Eight

Basics

Value: 40887 → 40888 → 40889

Parity: even

Prime: No

Previous Prime: 40883

Next Prime: 40897

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 ³ × 19 × 269

Divisors: 1, 2, 4, 8, 19, 38, 76, 152, 269, 538

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 1001111110111000

Octal: 117670

Duodecimal: 1B7B4

Hexadecimal: 9fb8

Square: 1671828544

Square Root: 202.20781389451793

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

G.f. satisfies: 1 = ∑_n>=0 (-x)^n² * A(x)^2·n+1. A193115

Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 27 ones. A31795

Triangle read by rows: T(n, k) = (n + 1) * ∑_j=k..n binomial(n, j) * Eulerian1(j, j - k). A381888

Square array A(n, k) = A329644(prime(n)^k), read by falling antidiagonals: (1,1), (1,2), (2,1), (1,3), (2,2), (3,1), ... A329637

Continued fraction for sqrt(919). A40888

a(n) = coefficient of xⁿ in ∏_k=0..n (1 + 2x + 3x² +...+ (k+1)*x^k). A129261