Properties of the Number 27983

Twenty-Seven Thousand Nine Hundred Eighty-Three

Basics

Value: 27982 → 27983 → 27984

Parity: odd

Prime: Yes

Previous Prime: 27967

Next Prime: 27997

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 27983

Divisors: 1, 27983

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110110101001111

Octal: 66517

Duodecimal: 1423B

Hexadecimal: 6d4f

Square: 783048289

Square Root: 167.28120037828518

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 k such that (5^k - 2^k)/3 is prime. A82182

Numbers k such that 11k = 6j² + 6j + 1. A106388

Inverse binomial transform of the number of overpartitions (A015128). A294499

a(n) = (3 + 2·n - 3·n² + 4·n³ - 3*((-1 + n) mod 2))/6. A304487

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 163", based on the 5-celled von Neumann neighborhood. A270455

Primes p such that 2·p+1 and 4·p²+1 are also prime. A333803

Number of planar n X n X n binary triangular grids with no more than 3 ones in any similarly oriented 4 X 4 X 4 subtriangle. A153557

The lexicographically earliest sequence of primes, each two of which sum to a triprime (A014612). A335752

Primes p, not safe primes, such that the smallest factor of (2^p-1-1) / 3 is equal to p. A360827

Duplicate of A027974. A27983