Properties of the Number -281946

Two Hundred Eighty-One Thousand Nine Hundred Forty-Six

Basics

Value: -281947 → -281946 → -281945

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 7 ³ × 137

Divisors: 1, 2, 3, 6, 7, 14, 21, 42, 49, 98

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1000100110101011010

Octal: -1046532

Duodecimal: -1171B6

Hexadecimal: -44d5a

Square: 79493546916

Square Root: 530.9858755183607

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

Array read by descending antidiagonals: T(n,k) is the number of achiral colorings of the edges of a regular n-dimensional orthoplex (cross polytope) using k or fewer colors. A337414

Number of achiral colorings of the edges of a cube or regular octahedron. A331351

The least number k > A255334(n) for which A000203(k) = A000203(A255334(n)) and A007947(k) = A007947(A255334(n)), where A000203 gives the sum of divisors, and A007947 gives the squarefree kernel of n. A255423

Numbers n for which there exists k < n such that A000203(k) = A000203(n) and A007947(k) = A007947(n), where A000203 gives the sum of divisors, and A007947 gives the squarefree kernel of n. A255335