Properties of the Number 20703

Twenty Thousand Seven Hundred Three

Basics

Value: 20702 → 20703 → 20704

Parity: odd

Prime: No

Previous Prime: 20693

Next Prime: 20707

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 3 × 67 × 103

Divisors: 1, 3, 67, 103, 201, 309, 6901, 20703

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101000011011111

Octal: 50337

Duodecimal: BB93

Hexadecimal: 50df

Square: 428614209

Square Root: 143.88537104236832

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 partitions of n with more odd parts than even parts. A108950

Ceiling(n·exp(cot n)). A134896

G.f. A(x) satisfies [xⁿ] A(x)^prime(n) = 0 for n > 1. A381353

a(n) = n⁴ + (9/2)*n³ + n² - (9/2)*n + 1. A3878

a(n) = a(n-1) - 9·a(n-2), a(0) = 1, a(1) = 3. A133665

Number of rooted identity trees with n nodes and exactly 4 subtrees from the root. A227808

Number of strict partitions of 2n + 1 having an ordering of the parts in which no two neighboring parts have the same parity. A239883

a(n) = 3*(3·n+1)*(9·n+8)/2. A304504

Maximum number of points visible from some point in a cubic n·n x n lattice. A141227

a(n) = floor(n! / 4ⁿ). A228449