Properties of the Number 55021

Fifty-Five Thousand Twenty-One

Basics

Value: 55020 → 55021 → 55022

Parity: odd

Prime: Yes

Previous Prime: 55009

Next Prime: 55049

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 55021

Divisors: 1, 55021

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101011011101101

Octal: 153355

Duodecimal: 27A11

Hexadecimal: d6ed

Square: 3027310441

Square Root: 234.5655558687166

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

Primes in A065387 in the order of their appearance. A229264

Indices of primes in sequence A006190. A209493

Number of binary strings of length n with no substrings equal to 0000 0010 or 1111. A164425

Number of distinct values of the sum of 4 products of three 0..n integers. A225261

Smallest number k such that n iterations of σ() are required for the result to be >= 2k. A55021