Properties of the Number -2825

Eight Hundred Twenty-Five

Basics

Value: -2826 → -2825 → -2824

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 5 ² × 113

Divisors: 1, 5, 25, 113, 565, 2825

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101100001001

Octal: -5411

Duodecimal: -1775

Hexadecimal: -b09

Square: 7980625

Square Root: 53.150729063673246

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

Values of n such that L(16) and N(16) are both prime, where L(k) = (n²+n+1)*2^2·k + (2·n+1)*2^k + 1, N(k) = (n²+n+1)*2^k + n. A227519

Arithmetic derivative of the primorial base exp-function: a(n) = A003415(A276086(n)). A327860

Coordination sequence T1 for Zeolite Code LTA and ρ. A8137

Sum of Gaussian binomial coefficients [n,k] for q=2 and k=0..n. A6116

Numbers m that are the hypotenuse of exactly 7 distinct integer-sided right triangles, i.e., m² can be written as a sum of two squares in 7 ways. A97101

Numbers whose binary indices and prime indices have the same sum. A372427

a(n) = n*(9·n + 1)/2. A22267

T(n,k)=Number of length n+5 0..k arrays with no six consecutive terms having the maximum of any two terms equal to the minimum of the remaining four terms. A249960

Expansion of x*(1+x-x²)/((1-x)⁴*(1+x)). A5744

Odd numbers k for which A064989(σ(k)) > A064989(k), where A064989 shifts the prime factorization one step towards lower primes, and σ is the sum of divisors function. A348749