Properties of the Number 21052

Twenty-One Thousand Fifty-Two

Basics

Value: 21051 → 21052 → 21053

Parity: even

Prime: No

Previous Prime: 21031

Next Prime: 21059

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 19 × 277

Divisors: 1, 2, 4, 19, 38, 76, 277, 554, 1108, 5263

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 101001000111100

Octal: 51074

Duodecimal: 10224

Hexadecimal: 523c

Square: 443186704

Square Root: 145.09307357692853

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

Numbers that can be written as the product of two divisors greater than 1 such that the number is contained in the string concatenation of the divisors. A355790

Number of minimum dominating sets in the n-Goldberg graph. A382431

Anagrexpo integers: integers N that exactly reproduce their set of digits when we form the set of exponentiation of pairs of adjacent digits, from left to right. A297627

a(n) = n³ - (n+2)². A153258

a(n) is the largest number t such that there exist numbers i,j,k such that, for all m <= t, there exist integers x,y,z with x·i + y·j + z·k = m and |x|+|y|+|z| <= n. A383579

Decimal expansion of 1/48. A21052

O.g.f. A(x) satisfies: [xⁿ] exp( n³ * x·A(x) ) * (2 - A(x)) = 0 for n > 0. A304401