Properties of the Number 40958

Forty Thousand Nine Hundred Fifty-Eight

Basics

Value: 40957 → 40958 → 40959

Parity: even

Prime: No

Previous Prime: 40949

Next Prime: 40961

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 × 20479

Divisors: 1, 2, 20479, 40958

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001111111111110

Octal: 117776

Duodecimal: 1B852

Hexadecimal: 9ffe

Square: 1677557764

Square Root: 202.38082913161514

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) = 5·2ⁿ - 2. A51633

a(n) = 5·2^n-2 - 2 for n > 1, with a(1) = 1. A131051

Start with 1, then alternately add 2 or double. A123208

Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 565", based on the 5-celled von Neumann neighborhood. A283059

a(n) is the smallest even number not congruent to 1 modulo 3 that starts a (2n+1)-element alternating sequence of x/2 and (3x+1) iterations ending in the maximum of its Collatz trajectory. A277215

n·10³-1, n·10³-3, n·10³-7 and n·10³-9 are all prime. A64977

Row sums of triangle A134061. A134062

Numbers whose derivative is equal to the arithmetic derivative. A273993

a(n) = N^1/4 * log(N) / sqrt(log(log(N))) rounded to nearest integer, with N=2ⁿ. Related to operation count of the deterministic factorization of an integer N using an improved Pollard-Strassen method. A309916

Convolution of A000219 and A001477. A360489