Properties of the Number 11506

Eleven Thousand Five Hundred Six

Basics

Value: 11505 → 11506 → 11507

Parity: even

Prime: No

Previous Prime: 11503

Next Prime: 11519

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 × 11 × 523

Divisors: 1, 2, 11, 22, 523, 1046, 5753, 11506

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110011110010

Octal: 26362

Duodecimal: 67AA

Hexadecimal: 2cf2

Square: 132388036

Square Root: 107.26602444390302

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 nonzero n X n binary arrays with all 1's connected. A59525

Array read by antidiagonals: T(m,n) = number of nonzero m X n binary arrays with all 1's connected. A287151

T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with every 2X2 subblock sum nondecreasing horizontally, vertically and antidiagonally ne-to-sw. A253326

Consecutive internal states of the linear congruential pseudo-random number generator (205·s + 29573) mod 139968 when started at 1. A383127

Number of integers between the n-th and the (n+1)-th primorial such that the maximal exponent in their prime factorization is larger than the maximal digit in their primorial base expansion. A351067

Number of nonzero 4 X n binary arrays with all 1's connected. A59524

a(n) = dot_product(1,2,...,n)*(3,4,...,n,1,2). A26037

The Hwang-Deutsch function f₃(n). A260996

Numbers k such that k and k + 1 are both binary Smith numbers (A278909). A331464

a(n) = (15·n² + 5·n + 2)/2. A93500