Properties of the Number 31350

Thirty-One Thousand Three Hundred Fifty

Basics

Value: 31349 → 31350 → 31351

Parity: even

Prime: No

Previous Prime: 31337

Next Prime: 31357

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 5 ² × 11 × 19

Divisors: 1, 2, 3, 5, 6, 10, 11, 15, 19, 22

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111101001110110

Octal: 75166

Duodecimal: 16186

Hexadecimal: 7a76

Square: 982822500

Square Root: 177.05931209625774

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

Third partial sums of fourth powers (A000583). A101090

a(n) = n*(n-1)*(n+1)*(3·n-2)/12. A153978

Partial sums of ∑_k=1..n n/gcd(n,k), or partial sums of ∑_d∣n d*φ(d) (see A057660). A174405

Triangle read by rows: T(n,k) is the number of non-equivalent regular polygons with n+1 edges, one of which is rooted, which are dissected by non-intersecting diagonals into k regions, such that two such polygons are identified up to reflection along the rooted edge and twisting along the diagonals that does not affect the root edge (for 1 <= k <= n-1 and n >= 2). A232206

Unitary practical numbers that are nonsquarefree. A287173

Consider primitive pairs of integers (b, c) with b > 0 such that x⁵ + b·x + c = 0 is irreducible and solvable by radicals: sequence gives values of b. A371553

Eleven times hexagonal numbers: a(n) = 11·n*(2·n-1). A154617

Expansion of ∏_k>=1 (1 - x^k)²². A10828

Least area of primitive Pythagorean triangle whose legs differ by A058529(n). A94143

T(4n,n), where T is the array defined in A025177. A25186