Properties of the Number 11487

Eleven Thousand Four Hundred Eighty-Seven

Basics

Value: 11486 → 11487 → 11488

Parity: odd

Prime: No

Previous Prime: 11483

Next Prime: 11489

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 7 × 547

Divisors: 1, 3, 7, 21, 547, 1641, 3829, 11487

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110011011111

Octal: 26337

Duodecimal: 6793

Hexadecimal: 2cdf

Square: 131951169

Square Root: 107.17742299570372

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 m such that there are precisely 7 groups of order m. A249550

a(n) is smallest number such that number of primes produced according to rules stipulated in Honaker's A048853 is n. A50662

a(n) = n*(13·n + 1)/2. A22271

Super-4 Numbers (4·n⁴ contains substring '4444' in its decimal expansion). A32744

Expansion of ∏_n>=1 (1 - 9·xⁿ)^1/3. A303348

Number of unlabeled minimally rigid graphs in 3D on n vertices. A328419

a(n) = (9·n⁴ + 4·n³ - n)/2. A47786

Alternating sums of powers of 1,2,...,6, divided by 3. A198629

a(n) = 2·a(n-1) + a(n-2) - 4·a(n-3) + 2·a(n-4) + a(n-5) -2·a(n-6) + a(n-7) for n >= 7, a(0) = 2, a(1) = 4, a(2) = 7, a(3) = 11, a(4) = 18, a(5) = 30, a(6) = 47. A289077

Numbers missing from A317415. A317417