Properties of the Number 550

Five Hundred Fifty

Basics

Value: 549 → 550 → 551

Parity: even

Prime: No

Previous Prime: 547

Next Prime: 557

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 2 × 5 ² × 11

Divisors: 1, 2, 5, 10, 11, 22, 25, 50, 55, 110

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1000100110

Octal: 1046

Duodecimal: 39A

Hexadecimal: 226

Square: 302500

Square Root: 23.45207879911715

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

Pentagonal pyramidal numbers: a(n) = n²*(n+1)/2. A2411

Increasing sequence generated by these rules: a(1)=1, and if·is in a then 3x-2 and 4x-2 are in a. A191113

Multiples of 11. A8593

Numbers m such that ∑_k=1..m (<1/2 + k·r> - <k·r>) = 0, where r=sqrt(2) and < > denotes fractional part. A194368

a(n) = n*(n+3). A28552

Numbers k such that the k-th composition in standard order is a permutation (of an initial interval). A333218

Primitive abundant numbers: abundant numbers (A005101) having no abundant proper divisor. A91191

Number of non-isomorphic multiset partitions of weight n in which all parts have the same size. A306017

Numbers whose sum of digits is 10. A52224

The a(n)-th composition in standard order (A066099) has alternating sum 0. A344619