Properties of the Number 54198

Fifty-Four Thousand One Hundred Ninety-Eight

Basics

Value: 54197 → 54198 → 54199

Parity: even

Prime: No

Previous Prime: 54193

Next Prime: 54217

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 3011

Divisors: 1, 2, 3, 6, 9, 18, 3011, 6022, 9033, 18066

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1101001110110110

Octal: 151666

Duodecimal: 27446

Hexadecimal: d3b6

Square: 2937423204

Square Root: 232.80463912903454

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

a(n) = p(1)p(n) + p(2)p(n-1) + ... + p(k)p(n+1-k), where k = [ (n+1)/2 ], p = A000040 = the primes. A24697

a(n) = p(1)p(n) + p(2)p(n-1) + ... + p(k)p(n-k+1), where k = [ n/2 ], p = A000040, the primes. A25129

Expansion of ∏_k>=1 1/(1+2·x^k). A71109

G.f.: ∑_n>=0 xⁿ * ∑_k=0..n binomial(n,k)² * x^k/(1-x)^k. A217661

Binomial transform of A000011. A54198