Properties of the Number -222850

Two Hundred Twenty-Two Thousand Eight Hundred Fifty

Basics

Value: -222851 → -222850 → -222849

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 5 ² × 4457

Divisors: 1, 2, 5, 10, 25, 50, 4457, 8914, 22285, 44570

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110110011010000010

Octal: -663202

Duodecimal: -A8B6A

Hexadecimal: -36682

Square: 49662122500

Square Root: 472.0699100768868

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

T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with no equal vertical neighbors and new values introduced sequentially from 0. A265232

a(n) = n·Pell(n) * ∑_d∣n 1/(d·Pell(d)) where Pell(n) = A000129(n). A203414

Number of nX3 arrays containing 3 copies of 0..n-1 with no equal vertical neighbors and new values introduced sequentially from 0. A265230

Number of 5Xn arrays containing n copies of 0..5-1 with no equal vertical neighbors and new values introduced sequentially from 0. A265235