Properties of the Number 21063

Twenty-One Thousand Sixty-Three

Basics

Value: 21062 → 21063 → 21064

Parity: odd

Prime: No

Previous Prime: 21061

Next Prime: 21067

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 3 × 7 × 17 × 59

Divisors: 1, 3, 7, 17, 21, 51, 59, 119, 177, 357

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101001001000111

Octal: 51107

Duodecimal: 10233

Hexadecimal: 5247

Square: 443649969

Square Root: 145.13097532918326

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

Number of 6's in all partitions of n. A24790

Expansion of (1/x) * Series_Reversion( x*(1-x)⁴/(1-x-x²) ). A366083

Number of trees by stability index. A3428

G.f. satisfies A(x) = 1 + x·A(x) + x³*A(x)⁵. A364539

Expansion of e.g.f. (1 + x·exp(x))³. A377582

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 1, 0), (0, 0, -1), (1, 0, -1), (1, 1, 1)}. A149683

Decimal expansion of 1/59. A21063