Properties of the Number 252

Two Hundred Fifty-Two

Basics

Value: 251 → 252 → 253

Parity: even

Prime: No

Previous Prime: 251

Next Prime: 257

Digit Sum: 9

Digital Root: 9

Palindrome: Yes

Factorization: 2 ² × 3 ² × 7

Divisors: 1, 2, 3, 4, 6, 7, 9, 12, 14, 18

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 11111100

Octal: 374

Duodecimal: 190

Hexadecimal: fc

Square: 63504

Square Root: 15.874507866387544

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

Pascal's triangle read by rows: C(n,k) = binomial(n,k) = n!/(k!*(n-k)!), 0 <= k <= n. A7318

Number of reduced words of length n in Coxeter group on 7 generators S_i with relations (S_i)² = (S_i S_j)³³ = I. A169452

Central binomial coefficients: binomial(2·n,n) = (2·n)!/(n!)². A984

Palindromes in base 10. A2113

a(n) = binomial(n, floor(n/2)). A1405

Abundant numbers (sum of divisors of m exceeds 2m). A5101

a(n) = n*(n+3)/2. A96

Numbers whose base-3 representation contains no 2. A5836

Ramanujan's τ function (or Ramanujan numbers, or τ numbers). A594

Number of 2n-bead balanced binary necklaces of fundamental period 2n, equivalent to reversed complement; also Dirichlet convolution of b_n=2^n-1 with μ(n); also number of components of Mandelbrot set corresponding to Julia sets with an attractive n-cycle. A740

We use cookies

Some cookies are essential for Natory to function, like keeping you signed in. We also use optional cookies to understand how the app is used and improve it over time. Learn more in our Privacy Policy. You can manage your preferences anytime.