Properties of the Number 55611

Fifty-Five Thousand Six Hundred Eleven

Basics

Value: 55610 → 55611 → 55612

Parity: odd

Prime: No

Previous Prime: 55609

Next Prime: 55619

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 37 × 167

Divisors: 1, 3, 9, 37, 111, 167, 333, 501, 1503, 6179

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: Yes

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101100100111011

Octal: 154473

Duodecimal: 28223

Hexadecimal: d93b

Square: 3092583321

Square Root: 235.819846493038

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

Integers that are Rhonda numbers to base 8. A100970

Hexagonal numbers with prime indices. A117961

Triangular numbers t such that t+10 is a prime. A129755

Terms of A073872 that do not change their position in the rearrangement; i.e., values of A073872(n) which equal n(n+1)/2. A73873

Triangular numbers composed of digits {1,5,6}. A119132

Triangular numbers whose sum of prime factors (with repetition) is also triangular. A76169

a(n) = triangular number whose index is n concatenated n times. A77695

Triangular numbers with palindromic indices. A89717

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, -1), (-1, 0, 1), (-1, 1, 1), (1, 0, 1), (1, 1, -1)}. A149317

Number of primitive sorting networks on n elements; also number of rhombic tilings of a 2n-gon. A6245