Properties of the Number 68450

Sixty-Eight Thousand Four Hundred Fifty

Basics

Value: 68449 → 68450 → 68451

Parity: even

Prime: No

Previous Prime: 68449

Next Prime: 68473

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 5 ² × 37 ²

Divisors: 1, 2, 5, 10, 25, 37, 50, 74, 185, 370

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000101101100010

Octal: 205542

Duodecimal: 33742

Hexadecimal: 10b62

Square: 4685402500

Square Root: 261.6295090390226

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

Numbers n that are the hypotenuse of exactly 12 distinct integer-sided right triangles, i.e., n² can be written as a sum of two squares in 12 ways. A97226

a(n) = ∏_{d∣n, d>1} prime(A286378(d)-1). A317944

Numbers that are the sum of 2 nonzero squares in exactly 5 ways. A25288

Expansion of the series reversion of ∑_i>=1 xⁱ/(1 - xⁱ) / ∏_j>=1 (1 - x^j). A291695

Numbers k such that k² divides 5^k - 4^k - 3^k. A343716

Factorial expansion of sqrt(π) = ∑_n>0 a(n)/n!. A68450