Properties of the Number -1126

One Hundred Twenty-Six

Basics

Value: -1127 → -1126 → -1125

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 2 × 563

Divisors: 1, 2, 563, 1126

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10001100110

Octal: -2146

Duodecimal: -79A

Hexadecimal: -466

Square: 1267876

Square Root: 33.555923471125034

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

Expansion of ∏_m>=1 (1-m·q^m). A22661

a(n) = 2·1 - 4·3 + 6·5 - 8·7 + 10·9 - 12·11 + 14·13 - 16·15 + ... - (up to the n-th term). A319885

G.f. A(x) satisfies A(x)³ = A(x³) + 3·A(x⁴). A377256

Dirichlet convolution of A000027 (identity function) with the Dirichlet inverse of A326042, where A326042(n) = A064989(σ(A003961(n))). A349625

Expansion of (1-q)^k/∏_j=1..k (1-q^j) for k=8. A275642

Expansion of 1 / (1 + ∑_i>=1 ∑_j=1..i x^i·j). A327799

a(n) = binomial(n+1, 2) + n - 1 = n*(n+3)/2 - 1. A34856

Y-toothpick sequence (see Comments lines for definition). A160120

Numbers that are the sum of 10 positive 5th powers. A3355

Interprimes (A024675) which are of the form s·prime, s=2. A75277