Properties of the Number 28954

Twenty-Eight Thousand Nine Hundred Fifty-Four

Basics

Value: 28953 → 28954 → 28955

Parity: even

Prime: No

Previous Prime: 28949

Next Prime: 28961

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 × 31 × 467

Divisors: 1, 2, 31, 62, 467, 934, 14477, 28954

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111000100011010

Octal: 70432

Duodecimal: 1490A

Hexadecimal: 711a

Square: 838334116

Square Root: 170.1587494077222

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) = ∑_k=0..n T(n,k), T given by A026725. A26732

Cumulative sum of primes p such that 2^p - 1 is a Mersenne prime. A109472

a(n) = floor(A058303*(2^n-2+1/2)). A94393

Numbers represented by quadratic form with Gram matrix [ 2, 1; 1, 6 ]. (divided by 2). A28954

Array read by antidiagonals: ((z+sqrt(x))/2)^k + ((z-sqrt(x))/2)^k for columns k >= 0 and rows n >= 0, where x = 4·n+1 and y = floor(sqrt(x)) and z = y-1+(y mod 2). A309852