Properties of the Number 54985

Fifty-Four Thousand Nine Hundred Eighty-Five

Basics

Value: 54984 → 54985 → 54986

Parity: odd

Prime: No

Previous Prime: 54983

Next Prime: 55001

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 5 × 7 × 1571

Divisors: 1, 5, 7, 35, 1571, 7855, 10997, 54985

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101011011001001

Octal: 153311

Duodecimal: 279A1

Hexadecimal: d6c9

Square: 3023350225

Square Root: 234.48880570295887

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 strict compositions of n with alternating parts strictly decreasing. A342343

Sum over all Motzkin paths of length n of products over all peaks p of (x_p+n·y_p)/y_p, where x_p and y_p are the coordinates of peak p. A266386

Expansion of ∑_k>=0 x^(k+1²)/(1-x)^k. A236310

Main diagonal of A332365. A332366

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, -1, 1), (-1, 0, 0), (1, 0, -1), (1, 1, 1)}. A149551

Composite numbers·such that σ(x+120) = σ(x)+120. A54985