Properties of the Number 65791

Sixty-Five Thousand Seven Hundred Ninety-One

Basics

Value: 65790 → 65791 → 65792

Parity: odd

Prime: No

Previous Prime: 65789

Next Prime: 65809

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 11 × 5981

Divisors: 1, 11, 5981, 65791

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000000011111111

Octal: 200377

Duodecimal: 320A7

Hexadecimal: 100ff

Square: 4328455681

Square Root: 256.4975633412528

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

a(n) = 4ⁿ + 2ⁿ - 1. A99393

Number of reversible string structures with n beads using exactly two different colors. A56326

Triangle read by rows T(n, m) = σ^*_(n-m)(m), n >= 1, m = 1, 2, ..., n, with σ^*_(k)(n) given in a comment in A279395. A279396

Numbers n of the form p²-p-1 = A165900(p), for prime p, such that n²-n-1 = A165900(n) is also prime. A237527

a(n) = Fibonacci(p) mod p², where p = prime(n). A236395

Square roots of the deficiencies of the squares of A289275. A288145

Trajectory of 4 under repeated application of x -> A306958(x). A306962

Number of nondecreasing integer sequences of length 8 with sum zero and sum of absolute values 2n. A158142

Square roots of the deficiencies of the squares of A289274. A288144

a(n) = ∑_d∣n (-1)^d-1*d⁸. A321547