Properties of the Number 1252

One Thousand Two Hundred Fifty-Two

Basics

Value: 1251 → 1252 → 1253

Parity: even

Prime: No

Previous Prime: 1249

Next Prime: 1259

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 313

Divisors: 1, 2, 4, 313, 626, 1252

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011100100

Octal: 2344

Duodecimal: 884

Hexadecimal: 4e4

Square: 1567504

Square Root: 35.38361202590826

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

a(n) = ∑_k=1..n k·floor(n/k); also ∑_k=1..n σ(k) where σ(n) = sum of divisors of n (A000203). A24916

a(n) = a(n-1) + a(n-4) with a(0) = 0, a(1) = a(2) = a(3) = 1. A3269

Number of points on surface of tetrahedron; coordination sequence for sodalite net (equals 2·n²+2 for n > 0). A5893

The "comma sequence": the lexicographically earliest sequence of positive numbers with the property that the sequence formed by the pairs of digits adjacent to the commas between the terms is the same as the sequence of successive differences between the terms. A121805

a(n) = least k >= 1 such that the remainder when 6^k is divided by k is n. A127816

Carlitz-Riordan q-Catalan numbers for q=3. A15084

Number of partitions of n into composite parts. A23895

Numbers m such that the Bernoulli number B_m has denominator 30. A51226

Numbers k such that there is exactly one prime-power between prime(k)+1 and prime(k+1)-1. A377287

a(n) = ∑_k=0..n 3^wt(k), where wt() = A000120(). A130665