Properties of the Number -1030

Thirty

Basics

Value: -1031 → -1030 → -1029

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 4

Digital Root: 4

Palindrome: No

Factorization: 2 × 5 × 103

Divisors: 1, 2, 5, 10, 103, 206, 515, 1030

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10000000110

Octal: -2006

Duodecimal: -71A

Hexadecimal: -406

Square: 1060900

Square Root: 32.09361307176243

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. satisfies: A(x) = 1/(1 + x·A(x⁷)) and also the continued fraction: 1 + x·A(x⁸) = [1; 1/x, 1/x⁷, 1/x⁴⁹, 1/x³⁴³, ..., 1/x^{7^(n-1}), ...]. A101917

Expansion of exp( ∑_n>=1 -σ(6·n)*xⁿ/n ) in powers of x. A283164

cos(arcsinh(x)+arctan(x))=1-4/2!*x²+40/4!*x⁴-1030/6!*x⁶+51160/8!*x⁸... A13108

Generalized heptagonal numbers: m*(5·m - 3)/2, m = 0, +-1, +-2 +-3, ... A85787

Sequence and first differences (A030124) together list all positive numbers exactly once. A5228

Numbers that are the sum of 7 positive 5th powers. A3352

a(n) = a(n-1) + a(n-7), with a(i) = 1 for i = 0..6. A5709

Numbers whose sum of digits is 4. A52218

Skinny numbers: numbers n such that there are no carries when n is squared by "long multiplication". A61909

Solution to the Dancing School Problem with 3 girls and n+3 boys: f(3,n). A79908