Properties of the Number -6430

Four Hundred Thirty

Basics

Value: -6431 → -6430 → -6429

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 × 5 × 643

Divisors: 1, 2, 5, 10, 643, 1286, 3215, 6430

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -1100100011110

Octal: -14436

Duodecimal: -387A

Hexadecimal: -191e

Square: 41344900

Square Root: 80.18728078691782

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

Number of partitions of n in which the greatest part is 7. A26813

Number of integer partitions of n into an odd number of parts, the greatest of which is odd. A340385

Integers whose squares are the sums of 24 consecutive squares. A180274

Leading column of triangle in A176463. A176503

Numbers n such that there are equal numbers of 0's and 1's in first n digits of binary representation of π. A39624

Square array T(n,k), n >= 0, k >= 0, read by descending antidiagonals, where column k is the expansion of (1 - (k-3)*x)/(1 - 2*(k-1)*x + ((k-3)*x)²)^3/2. A331511

Number of integer partitions of n that contain at least one even part and whose halved even parts are relatively prime. A366845

Triangle read by rows: T(n,k) is the number of ascent sequences of length n with maximal element k-1. A218577

Number of partitions of n into at most 7 parts. A8636

a(n) = 250·n - 70. A154361