Properties of the Number -2030

Thirty

Basics

Value: -2031 → -2030 → -2029

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 5

Digital Root: 5

Palindrome: No

Factorization: 2 × 5 × 7 × 29

Divisors: 1, 2, 5, 7, 10, 14, 29, 35, 58, 70

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11111101110

Octal: -3756

Duodecimal: -1212

Hexadecimal: -7ee

Square: 4120900

Square Root: 45.05552130427524

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

Alternating row sums of triangle A130191 (Stirling2)². A130410

Generalized sum of divisors function. A2130

Number of binary partitions: number of partitions of 2n into powers of 2. A123

a(n) = n*(n+1)*(2·n+1)/3. A6331

Expansion of (1+x²)/((1-x)²*(1-x²)²). A5993

Number of compositions of n into positive triangular numbers. A23361

Numbers whose sum of digits is 5. A52219

5 times triangular numbers: a(n) = 5·n*(n+1)/2. A28895

Square array A(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of ∏_j>=1 1/(1 - j·x^j)^k. A297328

'Eban' numbers (the letter 'e' is banned!). A6933