Properties of the Number 25214

Twenty-Five Thousand Two Hundred Fourteen

Basics

Value: 25213 → 25214 → 25215

Parity: even

Prime: No

Previous Prime: 25189

Next Prime: 25219

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 × 7 × 1801

Divisors: 1, 2, 7, 14, 1801, 3602, 12607, 25214

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 110001001111110

Octal: 61176

Duodecimal: 12712

Hexadecimal: 627e

Square: 635745796

Square Root: 158.78916839633615

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

Number of Dyck paths of semilength n having no ascents of length 3. A114507

Triangle read by rows: T(n,k) is number of Dyck paths of semilength n having k ascents of length 3 (0<=k<=floor(n/3)). Also number of ordered trees with n edges that have k vertices of outdegree 3. A114506

a(n) = prime(a(n-2)) + abs(prime(n) - a(n-2)) with a(1)=a(2)=1. A86913

Equal count of primes congruent to 1 mod 4 and 3 mod 4 associated with primes in A007351 (the zero beginning the sequence indicates the prime 2). A92198

Numbers k such that 22·3^k + 1 is prime. A120491

Numbers k such that 10^k - 801 is prime. A271618

a(n) = floor(4th elementary symmetric function of ∑_j=1..k 1/j, k = 1,2,...,n). A25214