Properties of the Number 40112

Forty Thousand One Hundred Twelve

Basics

Value: 40111 → 40112 → 40113

Parity: even

Prime: No

Previous Prime: 40111

Next Prime: 40123

Digit Sum: 8

Digital Root: 8

Palindrome: No

Factorization: 2 ⁴ × 23 × 109

Divisors: 1, 2, 4, 8, 16, 23, 46, 92, 109, 184

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1001110010110000

Octal: 116260

Duodecimal: 1B268

Hexadecimal: 9cb0

Square: 1608972544

Square Root: 200.27980427392075

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: A(x) = 1/AGM(1, 1 - 8·x/A(x) ). A158100

Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 225", based on the 5-celled von Neumann neighborhood. A279991

a(n) = coefficient of xⁿ in A(x) where A(x)² = A( x²/(1 - 4·x - 8·x²) ). A357548

Numbers n such that n - reverse(n) = φ(n). A72393

Positive integers j such that prime(i) + prime(j) = i·j for some i <= j. A272862

Numerators of continued fraction convergents to sqrt(381). A41722

G.f. satisfies: A(x²) = -4·x + 1/AGM(1, 1 - 8·x/(A(x²) + 4·x) ). A158101

G.f. A(x) satisfies: A(x) = x + A( x·A(x) + x·A(x)³ ). A271843

Numbers n such that either prime(n-1) == -1 (mod n) or prime(n+1) == -1 (mod n) but not both. A225318

Numbers k such that (304·10^k - 43)/9 is prime. A289943