Properties of the Number 55516

Fifty-Five Thousand Five Hundred Sixteen

Basics

Value: 55515 → 55516 → 55517

Parity: even

Prime: No

Previous Prime: 55511

Next Prime: 55529

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 13879

Divisors: 1, 2, 4, 13879, 27758, 55516

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101100011011100

Octal: 154334

Duodecimal: 28164

Hexadecimal: d8dc

Square: 3082026256

Square Root: 235.61833544951463

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

Number of permutations p of [n] such that at most one element of {p(1),...,p(i-1)} is between p(i) and p(i+1) for all i < n and n = 0 or p(n) < 3. A356832

Number of (n+1)X(n+1) 0..2 symmetric matrices with every 2X2 subblock having one or two distinct values, and new values 0..2 introduced in lower triangle row major order. A210855

Number of active (ON, black) cells at stage 2ⁿ-1 of the two-dimensional cellular automaton defined by "Rule 105", based on the 5-celled von Neumann neighborhood. A270161

Largest integer k such that k | φ(k) + d(k) + n. A55516