Properties of the Number 11158

Eleven Thousand One Hundred Fifty-Eight

Basics

Value: 11157 → 11158 → 11159

Parity: even

Prime: No

Previous Prime: 11149

Next Prime: 11159

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 × 7 × 797

Divisors: 1, 2, 7, 14, 797, 1594, 5579, 11158

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101110010110

Octal: 25626

Duodecimal: 655A

Hexadecimal: 2b96

Square: 124500964

Square Root: 105.63143471523995

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 integer partitions of n such that the maximum is less than twice the median. A361858

Numbers k such that 9^k + 2 is prime. A90649

Number of simple imperfect squared squares of order n up to symmetry. A2962

Trajectory of n under the Reverse and Add! operation carried out in base 3 (presumably) does not reach a palindrome and (presumably) does not join the trajectory of any term m < n. A77405

First differences of A307632. A348773

Number of partitions of n such that the (sum of distinct odd parts) >= n/2. A284615

Numbers k such that k! has a factorial number of decimal digits. A333431

a(n) = A348773(2·n). A348775

Let p = n-th prime == 3 mod 8; a(n) = sum of quadratic nonresidues mod p that are < p/2. A282724

a(n) = ∑_{h=0..n, k=0..n} T(h,k), array T counting knights' moves as in A049604. A47881