Properties of the Number -5145

One Hundred Forty-Five

Basics

Value: -5146 → -5145 → -5144

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 5 × 7 ³

Divisors: 1, 3, 5, 7, 15, 21, 35, 49, 105, 147

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1010000011001

Octal: -12031

Duodecimal: -2B89

Hexadecimal: -1419

Square: 26471025

Square Root: 71.72865536171719

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

Irregular triangle read by rows of normalized Girard-Waring formula (cf. A210258), for m=7 data values. A288245

Triangular table containing values of coefficients of the characteristic polynomial of a certain n·n circulant matrix, read by rows. A127412

a(n) = a(n - 1) - 2·a(n - 2) + a(n - 3) - 2·a(n - 4) + a(n - 5). A122582

Coefficient of·in minimal polynomial of the continued fraction [1ⁿ,1/3,1,1,1,...], where 1ⁿ means n ones. A266702

Coefficient array for the third power of the monic integer Chebyshev polynomials 2·T(2·n+1,x/2)/x as a function of x². A219235

Coefficient array for the cube of Chebyshev's C polynomials. A220667

Numbers that are the sum of 11 positive 7th powers. A3378

Numbers m such that there are precisely 19 groups of order m. A298910

(1/2)*number of regular tetrahedra that can be formed using the points in an (n+1) X (n+1) X (n+1) lattice cube. A103158

Numbers whose k-th arithmetic derivative is zero for some k>0, ordered by their position in A276086. A351255