Properties of the Number 2073

Two Thousand Seventy-Three

Basics

Value: 2072 → 2073 → 2074

Parity: odd

Prime: No

Previous Prime: 2069

Next Prime: 2081

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 3 × 691

Divisors: 1, 3, 691, 2073

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100000011001

Octal: 4031

Duodecimal: 1249

Hexadecimal: 819

Square: 4297329

Square Root: 45.53020975132884

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

Genocchi numbers (of first kind); unsigned coefficients give expansion of x·tan(x/2). A1469

Unsigned Genocchi numbers (of first kind) of even index. A110501

Genocchi numbers (of first kind): expansion of 2·x/(exp(x)+1). A36968

a(n) = 2·n*(2ⁿ - 1)*ζ(1-n) where in the case n=0 the limit is understood, ζ(s) the Riemann ζ function. A226158

Number of integer compositions of n that are the first sums of a unique composition. A391644

Number of integer partitions of n with no part divisible by all the others. A343341

Number of generalized polyforms on the truncated square tiling with n cells. A343577

a(n) = n² + n + 3. A27688

a(n) = (3·n² + n + 2)/2. A104249

Triangle of coefficients of Gandhi polynomials. A36970