Properties of the Number 11219

Eleven Thousand Two Hundred Nineteen

Basics

Value: 11218 → 11219 → 11220

Parity: odd

Prime: No

Previous Prime: 11213

Next Prime: 11239

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 13 × 863

Divisors: 1, 13, 863, 11219

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101111010011

Octal: 25723

Duodecimal: 65AB

Hexadecimal: 2bd3

Square: 125865961

Square Root: 105.9197809665409

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

Values of n such that L(10) and N(10) are both prime, where L(k) = (n²+n+1)*2^2·k + (2·n+1)*2^k + 1, N(k) = (n²+n+1)*2^k + n. A227448

Numbers k such that σ(k) divides σ(k+1), where σ(k) is sum of positive divisors of k. A58072

a(n) = 6·F(n)*F(n+1) + (-1)ⁿ, where F = A000045. A264080

Number of integer partitions of n whose multiplicities appear with relatively prime multiplicities. A319160

Numbers k such that σ(k+1) = 3 * σ(k). A77087

x-values in the solution to 15·x² - 14 = y². A199336

Cycle of the inventory sequence (as in A063850) starting with n consists of prime numbers. A78970

Principal diagonal of the convolution array A213844. A213845

Numbers k such that 24·k-1 has at least three factors 7 and the partition function evaluated at k has at least the same number of factors 7 as 24·k-1. A340957

Number of partitions of n with rank a multiple of 4. A363233