Properties of the Number 54905

Fifty-Four Thousand Nine Hundred Five

Basics

Value: 54904 → 54905 → 54906

Parity: odd

Prime: No

Previous Prime: 54881

Next Prime: 54907

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 5 × 79 × 139

Divisors: 1, 5, 79, 139, 395, 695, 10981, 54905

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101011001111001

Octal: 153171

Duodecimal: 27935

Hexadecimal: d679

Square: 3014559025

Square Root: 234.3181597742693

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

Numbers n such that there is k < n for which A003557(k) = A003557(n), A048250(k) = A048250(n) and A173557(k) = A173557(n). A296087

Binomial recurrence coefficients. A38560

Partial sums of Catalan numbers A000108 multiplied by powers of -8. A113267

Number of subsets of {1,2,...,n} such that no two elements differ by 1, 2, 4, or 5. A375186

Smallest composite·such that σ(x) + 2n = σ(x + 2n). A54905