Properties of the Number 48069

Forty-Eight Thousand Sixty-Nine

Basics

Value: 48068 → 48069 → 48070

Parity: odd

Prime: No

Previous Prime: 48049

Next Prime: 48073

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 7 ² × 109

Divisors: 1, 3, 7, 9, 21, 49, 63, 109, 147, 327

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1011101111000101

Octal: 135705

Duodecimal: 23999

Hexadecimal: bbc5

Square: 2310628761

Square Root: 219.24643668712156

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 k such that binomial(6k, k) + 1 is prime. A125245

G.f.: 1/(1 - 1!*x/(1 - 2!*x/(1 - 3!*x/(1 - 4!*x/(1 - 5!*x/(1 - 6!*x/(1 - ...))))))), a continued fraction. A285380

Last term where no prime sums occur in A161190 in a 4-diagonal set of 24 terms. A161193

Indices of centered triangular numbers (A005448) which are also heptagonal numbers (A000566). A254675

a(n) = 109·n². A174339

Numbers n such that (n⁶ + 1091)/4 is prime. A181112

Harary index of the n X n black bishop graph. A296198

Number of nonempty subsets of {1,2,...,n} in which exactly 1/6 of the elements are <= (n-4)/2. A48069