Properties of the Number 54809

Fifty-Four Thousand Eight Hundred Nine

Basics

Value: 54808 → 54809 → 54810

Parity: odd

Prime: No

Previous Prime: 54799

Next Prime: 54829

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 23 × 2383

Divisors: 1, 23, 2383, 54809

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101011000011001

Octal: 153031

Duodecimal: 27875

Hexadecimal: d619

Square: 3004026481

Square Root: 234.11322047248848

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

Centered octahedral numbers (crystal ball sequence for cubic lattice). A1845

Denominators of continued fraction convergents to sqrt(381). A41723

Adjacent generalized Fermat primes. A118539

Row sums of triangle A175009. A175006

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 0, -1), (0, -1, 0), (1, 0, -1), (1, 1, 1)}. A149579

a(n) = (9·n³ + 5·n)/2. A230018

Second term of strong prime 5-tuples: p(m)-p(m-1) > p(m+1)-p(m) > p(m+2)-p(m+1) > p(m+3)-p(m+2). A54809