Properties of the Number -2078

Seventy-Eight

Basics

Value: -2079 → -2078 → -2077

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 1039

Divisors: 1, 2, 1039, 2078

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -100000011110

Octal: -4036

Duodecimal: -1252

Hexadecimal: -81e

Square: 4318084

Square Root: 45.58508528016593

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

a(n) = 1 + 3·n - 2·n². A168244

Coefficients in the power series expansion of A(x) = ∑_n=-oo..+oo n*(n+1)/2·x^2·n * (1 - xⁿ)^n-2. A356775

Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n), where a(0) = 1, a(1) = 3, b(0) = 2, b(1) = 4, b(2) = 5, and (a(n)) and (b(n)) are increasing complementary sequences. A295862

Numbers k such that A102489(k) is divisible by k. A32563

Number of 2's in the last section of the set of partitions of n. A182712

Discriminants of real quadratic fields with class number 1 and related continued fraction period length of 24. A51965

Numbers n such that the decimal expansions of both n and n² have 0 as smallest digit and 8 as largest digit. A256708

McKay-Thompson series of class 16B for the Monster group. A29839

a(n) = ∑_k=0..n (-1)^n-k*A000041(k). A87787

a(n) is the smallest semiprime such that difference between a(n) and next semiprime, b(n), is n. A131109