Properties of the Number -220654

Two Hundred Twenty Thousand Six Hundred Fifty-Four

Basics

Value: -220655 → -220654 → -220653

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 7 × 15761

Divisors: 1, 2, 7, 14, 15761, 31522, 110327, 220654

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110101110111101110

Octal: -656756

Duodecimal: -A783A

Hexadecimal: -35dee

Square: 48688187716

Square Root: 469.7382249721647

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

Triangle, read by rows, T(n, k) = ∑_j=0..k (n+k)!/((n-j)!*(k-j)!*j!) + ∑_j=0..n-k (2·n-k)!/((n-j)!*(n-k-j)!*j!). A176081

Number of 6Xn 0..1 arrays with every element equal to 0, 1, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302519