Properties of the Number 10811

Ten Thousand Eight Hundred Eleven

Basics

Value: 10810 → 10811 → 10812

Parity: odd

Prime: No

Previous Prime: 10799

Next Prime: 10831

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 19 × 569

Divisors: 1, 19, 569, 10811

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101000111011

Octal: 25073

Duodecimal: 630B

Hexadecimal: 2a3b

Square: 116877721

Square Root: 103.9759587597056

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

Number of partitions of n with equal number of even and odd parts. A45931

Centered 10-gonal numbers. A62786

a(n) = prime(n)*prime(n+1) - prime(n) - prime(n+1). A37165

a(n) = n*(15·n - 1)/2. A22272

Number of elements less than 1/2 in the Cross Set which is the subset of the set of distinct resistances that can be produced using n unit resistors in series and/or parallel. A176498

Non-palindromic numbers m such that m·repunit of length k is palindromic for all large enough k. A370053

Numbers of the form ∏_k=i..j prime(k) - ∑_k=i..j prime(k) where i < j. A387946

Integers of the form 4n+3 for which ∑_i=1..u J(i,4n+3) obtains value zero exactly 9 times, when u ranges from 1 to (4n+3). Here J(i,k) is the Jacobi symbol. A166059

Expansion of 1/(1 + x * ∑_k>=1 prime(k)*x^k). A307899

Sort then Add, a(1)=17. A33899