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Properties of the Number -29687

Twenty-Nine Thousand Six Hundred Eighty-Seven

Basics

Value: -29688 → -29687 → -29686

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 7 × 4241

Divisors: 1, 7, 4241, 29687

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -111001111110111

Octal: -71767

Duodecimal: -1521B

Hexadecimal: -73f7

Square: 881317969

Square Root: 172.29915844251823

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

G.f.: A(x) = ∑n>=0a(n)/2A004134(n)*xn = limitn->oo F(n)1/2^(n+1) where F(n) is the n-th iteration of: F(0) = 1, F(n) = F(n-1)2 + x2n-1 for n>=1. A101191
Main diagonal of array in A358304, divided by 2. A358307
Number of inequivalent convex lattice polygons containing n lattice points (including points on the boundary). A371917
Starting positions of strings of 3 1's in the decimal expansion of π. A50209
Number of nondecreasing -n..n vectors of length 4 whose dot product with some lexicographically greater or equal nondecreasing -n..n vector equals 4. A226425
a(0) = 1; a(n) = half of the a(n-1)-th even nontotient number. A71598
Numbers k such that 2k-61 is prime. A182156