Properties of the Number 23042

Twenty-Three Thousand Forty-Two

Basics

Value: 23041 → 23042 → 23043

Parity: even

Prime: No

Previous Prime: 23041

Next Prime: 23053

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 × 41 × 281

Divisors: 1, 2, 41, 82, 281, 562, 11521, 23042

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101101000000010

Octal: 55002

Duodecimal: 11402

Hexadecimal: 5a02

Square: 530933764

Square Root: 151.79591562357663

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

Otto Haxel's guess for magic numbers of nuclear shells. A33547

Table a(k,i), read by antidiagonals, in which the n-th row comprises A214206(n) in position 0 followed by a second order recursive series G in which each product G(i)*G(i+1) lies in the same row of A001477 (interpreted as a square array - see below). A182439

If 0 <= n <= 3 then a(n) = n(n+1)(n+2)/3, if n >= 4 then a(n) = n(n²+5)/3. A162626

Number of compositions of n such that the first part is 1 and the second differences of the parts are in {-1,0,1}. A239551

Numbers k such that Fibonacci(k) == +-1 (mod k) and k is neither 1 nor prime nor twice a prime. A279072

a(0) = 1, a(n) = 40·n² + 2 for n>0. A10022

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 115", based on the 5-celled von Neumann neighborhood. A270183

Numbers whose cube is the sum of three distinct nonnegative cubes. A23042

The number of permutations p of {1,...,n} such that |p(i)-p(i+1)| is in {1,2,3,4} for all i from 1 to n-1. A174701

Iterated partial sums of prime numbers, square array read by diagonals. A254858