Properties of the Number 54191

Fifty-Four Thousand One Hundred Ninety-One

Basics

Value: 54190 → 54191 → 54192

Parity: odd

Prime: No

Previous Prime: 54181

Next Prime: 54193

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 47 × 1153

Divisors: 1, 47, 1153, 54191

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101001110101111

Octal: 151657

Duodecimal: 2743B

Hexadecimal: d3af

Square: 2936664481

Square Root: 232.78960457889866

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

Numerator of ∑_k=1..n 1/(k*(prime(k+1)-prime(k))). A324800

Number of partitions of n into parts not of the form 25k, 25k+8 or 25k-8. Also number of partitions with at most 7 parts of size 1 and differences between parts at distance 11 are greater than 1. A36007

Numerators of coefficients in the Taylor series expansion of ∑_n>=0 exp((-1)ⁿ*euler(2·n)*xⁿ/(2·n)). A280442

Denominator of ∑_k=1..n 1/(k*(prime(k+1)-prime(k))). A324801

Number of positive integers <= 2ⁿ of form 8 x² + 9 y². A54191