Properties of the Number -1718

Seven Hundred Eighteen

Basics

Value: -1719 → -1718 → -1717

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 859

Divisors: 1, 2, 859, 1718

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11010110110

Octal: -3266

Duodecimal: -BB2

Hexadecimal: -6b6

Square: 2951524

Square Root: 41.44876355212541

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.: ∑_n>=1 ∑_k=0..n binomial(n,k) * x^k² * (xⁿ - x^k)^n-k, ignoring the constant term. A292808

Number of compositions of n whose run-lengths are all different. A329739

Partial sums of sequence of odd primes (A065091); a(n) = sum of the first n odd primes. A71148

a(n) = n concatenated with n + 1. A1704

Numbers that are the sum of 10 positive 6th powers. A3366

a(n) = ∑_d∣n binomial(n,d). A56045

Number of toothpicks after n-th stage in the I-toothpick structure of A139250. A160164

Number of integer partitions of n such that more than one set can be obtained by choosing a different divisor of each part. A370803

Triangular array T(n,k), read by rows: coefficients of strong divisibility sequence of polynomials p(1,x) = 1, p(2,x) = 2 + 4·x, p(n,x) = u·p(n-1,x) + v·p(n-2,x) for n >= 3, where u = p(2,x), v = 1 - 2·x - x². A367298

Conjecturally largest even integer which is an unordered sum of two primes in exactly n ways. A954