Properties of the Number -4087

Eighty-Seven

Basics

Value: -4088 → -4087 → -4086

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 61 × 67

Divisors: 1, 61, 67, 4087

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111111110111

Octal: -7767

Duodecimal: -2447

Hexadecimal: -ff7

Square: 16703569

Square Root: 63.92964883369844

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

Triangle T(n, k, q) = (1-qⁿ)*( binomial(n, k) - 1 ) + 1, with q = 2, read by rows. A174718

a(n) = 3ⁿ - n¹². A24035

Triangle, read by rows, where column 0 is [1,-1,-2,-3,...,-n,...] and column k+1 is generated by the binomial transform of column k preceded by a zero (column k includes the k zeros above the main diagonal). A117334

Products of 2 successive primes. A6094

a(1) = 1; a(n) is smallest number >= a(n-1) such that the juxtaposition a(1)a(2)...a(n) is a prime. A33680

Numbers that are products of (at least two) consecutive primes. A97889

Number of integer partitions of n that are empty, have smallest part not dividing all the others, or greatest part not divisible by all the others. A343346

a(1)=2, a(n+1) is the smallest composite number > a(n) with smallest prime factor >= smallest prime factor of a(n). A156759

Number of integer compositions of n that are not the first sums of any composition with no 1's. A391641

a(n) = n⁴ - n - 1. A126423