Properties of the Number 880

Eight Hundred Eighty

Basics

Value: 879 → 880 → 881

Parity: even

Prime: No

Previous Prime: 877

Next Prime: 881

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ⁴ × 5 × 11

Divisors: 1, 2, 4, 5, 8, 10, 11, 16, 20, 22

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101110000

Octal: 1560

Duodecimal: 614

Hexadecimal: 370

Square: 774400

Square Root: 29.664793948382652

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

List of totally balanced sequences of 2n binary digits written in base 10. Binary expansion of each term contains n 0's and n 1's and reading from left to right (the most significant to the least significant bit), the number of 0's never exceeds the number of 1's. A14486

Triple factorial numbers a(n) = n!!!, defined by a(n) = n·a(n-3), a(0) = a(1) = 1, a(2) = 2. Sometimes written n!3. A7661

a(n) = n*φ(n). A2618

Triple factorial numbers: ∏_k=0..n-1 (3·k+2). A8544

Numbers that are divisible by exactly 6 primes with multiplicity. A46306

Number of strict integer partitions of n with integer median. A359907

Sum of composite numbers between successive primes. A54265

a(n) = 2·n² - 2. A54000

Number of magic squares of order n composed of the numbers from 1 to n², counted up to rotations and reflections. A6052

Total number of possible knight moves on an (n+2) X (n+2) chessboard, if the knight is placed anywhere. A35008