Properties of the Number -1078

Seventy-Eight

Basics

Value: -1079 → -1078 → -1077

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 × 7 ² × 11

Divisors: 1, 2, 7, 11, 14, 22, 49, 77, 98, 154

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10000110110

Octal: -2066

Duodecimal: -75A

Hexadecimal: -436

Square: 1162084

Square Root: 32.83291031876401

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) = -n³ + 7·n² - 5·n + 1. A161708

a(n) = -(n - 4)*(n - 5)*(n - 12)/6. A167541

Increasingly larger (in absolute value) extrema of the Mertens function A002321 between subsequent zeros. A304242

Expansion of ∏_m>=1 (1+q^m)^-11. A22606

Fourth column (m=3) of triangle A128494. A128498

Expansion of ∏_k>=1 (1 - x^k)²². A10828

Riordan array (1/(1+x+x²),x/(1+x)²). A122917

Expansion of e.g.f. log(1 + ∑_k>=1 x^prime(k)/prime(k)). A305619

Number triangle T(n,k)=(-1)^n-k*(3k+2)*C(3n+1, n-k)/(2n+k+2). A124821

A triangular sequence of coefficients of polynomials: p(x,n)=(-(x - 1)ⁿ*Sum[(((-1)ⁿ*(2·k + 1)^{n - 1}))*x^k, {k,0, Infinity}]+2*(x - 1)^{n + 1}*Sum[((-1)^{n + 1}*kⁿ)*x^k, {k, 0, Infinity}]/x). A154338