Properties of the Number -2715

Seven Hundred Fifteen

Basics

Value: -2716 → -2715 → -2714

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 5 × 181

Divisors: 1, 3, 5, 15, 181, 543, 905, 2715

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: -101010011011

Octal: -5233

Duodecimal: -16A3

Hexadecimal: -a9b

Square: 7371225

Square Root: 52.10566188045211

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 of coefficients T(n,k) in g.f. A(x,y) satisfying ∑_n=-oo..+oo (-1)ⁿ * (xⁿ + y·A(x,y))ⁿ = 1 + (y+2)*∑_n>=1 (-1)ⁿ * x^n², for n >= 1, as read by rows. A370040

Column 2 of triangle A370040. A370152

Expansion of 1/(x¹⁰*p(1/x)), where p(x) = x¹¹ + x¹⁰ - 11·x⁹ - 11·x⁸ + 42·x⁷ + 40·x⁶ - 66·x⁵ - 54·x⁴ + 42·x³ + 24·x² - 8·x - 1 is a Salem polynomial. A143478

Multiples of 15 containing a 15 in their decimal representation. A121035

Number of non-isomorphic multiset partitions of weight n using singletons or pairs. A320663

Numbers n such that 97 is the largest prime factor of n² - 1. A181470

Numbers n such that φ(n,x) is a flat cyclotomic polynomial of order three. A117223

Number of ways to split a strict integer partition of n into consecutive subsequences with strictly decreasing sums. A318684

Values of n such that n²-2 and n²+2 are both prime. A108701

Numbers k such that k³ divides 16^k² - 1. A177916