Properties of the Number -14787

Fourteen Thousand Seven Hundred Eighty-Seven

Basics

Value: -14788 → -14787 → -14786

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 31 × 53

Divisors: 1, 3, 9, 31, 53, 93, 159, 279, 477, 1643

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11100111000011

Octal: -34703

Duodecimal: -8683

Hexadecimal: -39c3

Square: 218655369

Square Root: 121.60180919706745

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 A(n,k) of sets of nonempty words with a total of n letters over k-ary alphabet; square array A(n,k), n>=0, k>=0, read by antidiagonals. A292804

Numbers n such that p(6n) is prime, where p(n) is the number of partitions of n. A111036

G.f.: ∏_j>=1 (1+x^j)^{3^j}. A256142

Positions of 3's in A264977; positions of 6's in A277330. A277713

Strings of 5 digits from 1...9, such that no formula using the single digits in the given order exists that evaluates to 0. A288355

Number of distinct products i·j*k·l for 1 <= i <= j <= k <= l <= n. A100437

Numbers k such that σ(k) = ψ(k) + τ(k)³. A390297

a(n) = ∑_k=1..n σ(k)*σ(2·k), where σ(n) = A000203(n) is the sum of the divisors of n. A347108

Total number of runs of 1's in all length n binary words in which 1's occur in runs of at least 3. A387573

a(n) = ∑_k=0..n (k+1) * binomial(2·k+1,2·n-2·k+1). A391890