Properties of the Number 52279

Fifty-Two Thousand Two Hundred Seventy-Nine

Basics

Value: 52278 → 52279 → 52280

Parity: odd

Prime: No

Previous Prime: 52267

Next Prime: 52289

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 23 × 2273

Divisors: 1, 23, 2273, 52279

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1100110000110111

Octal: 146067

Duodecimal: 26307

Hexadecimal: cc37

Square: 2733093841

Square Root: 228.6460146164809

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 the n-th alternating harmonic number, ∑_k=1..n (-1)^k+1/k. A58313

Numerators of coefficients in power series for -log(1+x)*log(1-x). A49281

Let u(1) = x and u(n+1) = (n²/u(n)) + 1 for n >= 1; then a(n) is such that u(n) = (b(n)*x + c(n))/(a(n)*x + d(n)) (in lowest terms) and a(n), b(n), c(n), d(n) are positive integers. A75830

Absolute value of numerator of the sum of all elements of the n X n matrix M with M[i,j] = (-1)^i+j*i/j for i,j = 1..n. A120301

a(n) = n*(n+15). A132760

a(n) = n*(n + 15)/2. A56121

Primes such that the sum of the factorials of the digits is a perfect square. A52279