Properties of the Number 71252

Seventy-One Thousand Two Hundred Fifty-Two

Basics

Value: 71251 → 71252 → 71253

Parity: even

Prime: No

Previous Prime: 71249

Next Prime: 71257

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 47 × 379

Divisors: 1, 2, 4, 47, 94, 188, 379, 758, 1516, 17813

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10001011001010100

Octal: 213124

Duodecimal: 35298

Hexadecimal: 11654

Square: 5076847504

Square Root: 266.93070261773937

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

Sum over all partitions of n of the bitwise OR of the parts. A306902

G.f. satisfies A(x) = (1 + x) * (1 - x·A(x)²). A364371

a(n) = ∑_i=0..n digsum₇(i)⁴, where digsum₇(i) = A053828(i). A231679

a(n) = a(n-1)*a(n-2)*a(n-3) - 1 with a(0)=a(1)=a(2)=2. A121258

Spherical growth of the Lamplighter group: number of elements in the Lamplighter group Z wr Z of length n with respect to the standard generating set {a,t}. A294782

Numbers k such that the decimal part of k^1/6 starts with a 'nine digits' anagram. A34281

a(n) = n*(n - 1)*(n² + 1)/2. A71252