Properties of the Number 11906

Eleven Thousand Nine Hundred Six

Basics

Value: 11905 → 11906 → 11907

Parity: even

Prime: No

Previous Prime: 11903

Next Prime: 11909

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 5953

Divisors: 1, 2, 5953, 11906

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10111010000010

Octal: 27202

Duodecimal: 6A82

Hexadecimal: 2e82

Square: 141752836

Square Root: 109.1146186356347

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 k such that (35·10^k - 11)/3 is prime. A268448

T(n,k)=Number of length n+1 0..k arrays with the sum of the minimum of each adjacent pair multiplied by some arrangement of +-1 equal to zero. A250419

Numbers that are the sum of eight fifth powers in two or more ways. A345610

Numbers that are the sum of eight fifth powers in exactly two ways. A346327

a(n) = 441·n - 1. A158319

a(n) = 2·a(n-1) - a(n-2) + a([n/2]), where a(0) = 1, a(1) = 1, a(2) = 1. A298414

Numbers k such that k and k² together contain all ten digits. A122477

a(n) = floor((4*π)ⁿ * n!). A163585

Number of length n+1 0..7 arrays with the sum of the minimum of each adjacent pair multiplied by some arrangement of +-1 equal to zero. A250418

Number of length 4+1 0..n arrays with the sum of the minimum of each adjacent pair multiplied by some arrangement of +-1 equal to zero. A250421