Properties of the Number 11409

Eleven Thousand Four Hundred Nine

Basics

Value: 11408 → 11409 → 11410

Parity: odd

Prime: No

Previous Prime: 11399

Next Prime: 11411

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 3803

Divisors: 1, 3, 3803, 11409

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10110010010001

Octal: 26221

Duodecimal: 6729

Hexadecimal: 2c91

Square: 130165281

Square Root: 106.81292056675541

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

Semiprimes in A056105. A113519

T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row and column sum not equal to 0 2 5 6 or 7 and every 3X3 diagonal and antidiagonal sum equal to 0 2 5 6 or 7. A252423

Centered 23-gonal numbers. A69174

Number of 3rd-order maximal independent sets in cycle graph. A7387

Structured disdyakis triacontahedral numbers (vertex structure 11). A100158

a(n)=a(n-2)+a(n-5). A133394

Number of arrays of n nonnegative integers with value i>0 appearing only after i-1 has appeared at least 4 times. A210541

The n-th term of the sequence is the last term of n's trajectory under the "multiply with zero" rules explained in A365993. A365994

First differences are A005563. A47732

A007318·A157019. A157029