Properties of the Number 70252

Seventy Thousand Two Hundred Fifty-Two

Basics

Value: 70251 → 70252 → 70253

Parity: even

Prime: No

Previous Prime: 70249

Next Prime: 70271

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 7 × 13 × 193

Divisors: 1, 2, 4, 7, 13, 14, 26, 28, 52, 91

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001001001101100

Octal: 211154

Duodecimal: 347A4

Hexadecimal: 1126c

Square: 4935343504

Square Root: 265.05093850050787

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

Triangle T(n,k) defined by ∑_k=1..n T(n,k)*u^k*tⁿ/n! = ((1+t)*(1+t²)*(1+t³)...)^u. A75525

Number of maximal subsets of {1..n} containing n such that it is possible to choose a different prime factor of each element (choosable). A370590

Integers n > 1 such that A130280(4n²) < n, i.e., there is an m < n, m > 1 such that 4n²(m² - 1) + 1 is a square. A130281

p-INVERT of (1,1,0,0,0,0,...), where p(S) = 1 - S² - 2 S⁴. A291404

a(n) = (n!/6) * ∑_{i,j,k > 0 and i+j+k=n} A000593(i)*A000593(j)*A000593(k)/(i·j*k). A338788

a(n) = 12spt(n) + (24n - 1)p(n), with a(0) = -1. A220481

Number of n-digit palindromes. A70252

Number of (3+1)X(n+1) arrays of permutations of 0..n·4+3 with each element having directed index change 0,0 0,1 1,0 or -1,-2. A264287

Factors k >= 0 such that the polynomial x² + k·x + 1 produces a record of its Hardy-Littlewood constant. A332708