Properties of the Number 5556

Five Thousand Five Hundred Fifty-Six

Basics

Value: 5555 → 5556 → 5557

Parity: even

Prime: No

Previous Prime: 5531

Next Prime: 5557

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 463

Divisors: 1, 2, 3, 4, 6, 12, 463, 926, 1389, 1852

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1010110110100

Octal: 12664

Duodecimal: 3270

Hexadecimal: 15b4

Square: 30869136

Square Root: 74.5385806143369

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

Coordination sequence for hexagonal close-packing. A7899

Numbers that are the sum of 5 positive 6th powers. A3361

Numbers which have only digits 5 and 6 in base 10. A256291

Partition the concatenation 1234567...of natural numbers into successive strings which are even, all different and > 2. (0 never taken as the most significant digit.) A77295

Partition the concatenation 1234567...of natural numbers into successive strings which are multiples of 6, all different and > 6. (0 never taken as the most significant digit.) A77299

Number of strings of length n over a 3-letter alphabet that do not begin with a nontrivial palindrome. A252696

Numbers in which 5 outnumbers all other digits together. A292735

Four-digit numbers that do not resolve to 6174 under the Kaprekar map (see A151949). A69746

Number of widely recursively normal integer partitions of n. A332295

T(n,k)=Number of lower triangles of an n X n 0..k array with new values introduced in row major order 0..k and no two horizontal or vertical neighbors of any element equal. A194893