Properties of the Number 11009

Eleven Thousand Nine

Basics

Value: 11008 → 11009 → 11010

Parity: odd

Prime: No

Previous Prime: 11003

Next Prime: 11027

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 101 × 109

Divisors: 1, 101, 109, 11009

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101100000001

Octal: 25401

Duodecimal: 6455

Hexadecimal: 2b01

Square: 121198081

Square Root: 104.92378186092989

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 whose arithmetic derivative (A003415) is a primorial number (A002110) > 1. A327978

Quasi-Carmichael numbers to exactly two bases. A257752

a(n) = prime(n)*prime(n+3). A90090

Numbers k such that exactly three d in the range d <= k/2 exist which divide binomial(k-d-1,d-1) and which are not coprime to k. A178099

S₉ sequence in partition of integers > 1 described in A240521. A240536

Semiprimes whose prime factors are of equal binary length and which differ from each other in one bit position only. A261073

Composite numbers n such that σ(n)+12 = σ(n+12). A54902

Sequence of pairwise relatively prime numbers of class P₇ (see comment in A275246). A275252

Composite numbers k such that digits in k and in juxtaposition of prime factors of k are the same (apart from multiplicity). A35141

a(n) = 6·n² + 10·n + 5. A201279