Properties of the Number 22057

Twenty-Two Thousand Fifty-Seven

Basics

Value: 22056 → 22057 → 22058

Parity: odd

Prime: No

Previous Prime: 22051

Next Prime: 22063

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 7 × 23 × 137

Divisors: 1, 7, 23, 137, 161, 959, 3151, 22057

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101011000101001

Octal: 53051

Duodecimal: 10921

Hexadecimal: 5629

Square: 486511249

Square Root: 148.51599240485854

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

Expansion of e.g.f. 1/(1 - x·cosh(x)). A205571

E.g.f. satisfies log(A(x)) = x * (exp(x) - 1) * A(x). A355843

Number of partitions p of n such that (number of numbers in p that have multiplicity 1) = (number of numbers in p having multiplicity > 1). A241274

Number of Dyck paths such that the sum of the peak-abscissae is n. A129528

Triangle of coefficients of polynomials u(n,x) jointly generated with A210744; see the Formula section. A210743

Poincaré series [or Poincare series] P(T_6,2; x). A124618

θ series of D₂₆ lattice. A22057