Properties of the Number 40918

Forty Thousand Nine Hundred Eighteen

Basics

Value: 40917 → 40918 → 40919

Parity: even

Prime: No

Previous Prime: 40903

Next Prime: 40927

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 41 × 499

Divisors: 1, 2, 41, 82, 499, 998, 20459, 40918

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1001111111010110

Octal: 117726

Duodecimal: 1B81A

Hexadecimal: 9fd6

Square: 1674282724

Square Root: 202.28198140220005

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) = 1 + ∑_k=0..n-4 a(k) * a(n-k-4). A346073

Numbers k for which A354102(k) = A354102(σ(k)). A354106

Smallest number m such that for 0 < k < n+1, np(m+k-1) = np(m)-k+1, where np(t) is number of primes p with prime(t) < p < prime(t)^{1 + 1/t}. A246792

Number of n X 4 1..2 arrays containing at least one of each value, all equal values connected, rows considered as a single number in nondecreasing order, and columns considered as a single number in nondecreasing order. A166805

a(n) = a(n-1) + 3·a(n-2) - 3·a(n-3) - 2·a(n-4) + 2·a(n-5) for n >= 6, a(0) = 2, a(1) = 4, a(2) = 7, a(3) = 11, a(4) = 18, a(5) = 28. A289131

Continued fraction for sqrt(949). A40918