Properties of the Number -3246

Two Hundred Forty-Six

Basics

Value: -3247 → -3246 → -3245

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 541

Divisors: 1, 2, 3, 6, 541, 1082, 1623, 3246

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110010101110

Octal: -6256

Duodecimal: -1A66

Hexadecimal: -cae

Square: 10536516

Square Root: 56.97367813297646

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

Numbers k in pairs (j,k), with j <> k +- 1, such that the sum of their cubes is equal to a centered cube number. A352136

Expansion of 2 * (2 + x) / (4 - x - x·sqrt(1 - 4·x)) in powers of x. A182486

Number of balls in pyramid with base either a regular hexagon or a hexagon with alternate sides differing by 1 (balls in hexagonal pyramid of height n taken from hexagonal close-packing). A19298

Positive even numbers that are not the sum of a pair of twin primes. A7534

A simple grammar: rooted ordered set partitions. A52882

Triangle read by rows, T(n, k) = binomial(n, k) * ∑_j=0..n-k E(n-k, j)*2^j, where E(n, k) are the Eulerian numbers A173018(n, k), for 0 <= k <= n. A154921

Positive integers n such that 13ⁿ == 7 (mod n). A116632

Numbers n such that Q(sqrt(n)) has class number 10. A218042

a(n) = n!*LaguerreL(n, -4·n). A277418

G.f. A(x) satisfies: 1 = ∑_n>=0 xⁿ * ((1+x)ⁿ - A(x))ⁿ⁺¹, where A(0) = 0. A307940