Properties of the Number 54243

Fifty-Four Thousand Two Hundred Forty-Three

Basics

Value: 54242 → 54243 → 54244

Parity: odd

Prime: No

Previous Prime: 54217

Next Prime: 54251

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 7 ² × 41

Divisors: 1, 3, 7, 9, 21, 27, 41, 49, 63, 123

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1101001111100011

Octal: 151743

Duodecimal: 27483

Hexadecimal: d3e3

Square: 2942303049

Square Root: 232.90126663459776

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

Integers k such that A001006(k) is divisible by k. A266969

G.f.: ∏_m>0 1/(1 - x^m + 2!*x^2·m). A293294

Numbers whose set of base-15 digits is {1,3}. A32922

Numbers k such that the sum of the norm of divisors of k in Gaussian integers is divisible by k. A332736

Numbers k that divide the k-th central trinomial coefficient. A372904

T(n,6), array T as in A050186; a count of aperiodic binary words. A50191

Number of partitions of n into distinct positive parts <= n, where parts are combined by XOR. A54243

Composite numbers k such that sigma₂(k) - 1 is a square, where sigma₂(k) = A001157(k) is the sum of squares of divisors of k. A318169