Properties of the Number 16229

Sixteen Thousand Two Hundred Twenty-Nine

Basics

Value: 16228 → 16229 → 16230

Parity: odd

Prime: Yes

Previous Prime: 16223

Next Prime: 16231

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 16229

Divisors: 1, 16229

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 11111101100101

Octal: 37545

Duodecimal: 9485

Hexadecimal: 3f65

Square: 263380441

Square Root: 127.39309243440164

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

Expansion of c(x·c(x)), where c(x) is the g.f. for A000108. A127632

Indices of records in A194591 restricted to prime indices. A194635

Prime numbers that have a triangular Voronoi cell in the Voronoi diagram of the Ulam prime spiral. A257527

Numbers that are the sum of nine fourth powers in exactly ten ways. A345852

Smallest prime factor of the reverse concatenation of the first n odd numbers. A109837

Primes q = 4·p+1, where p == 2 (mod 5) is also prime. A221981

a(n) is the smallest prime in the interval [k·sqrt(k), k·sqrt(k+2)], where k = A001359(n), or a(n)=0 if there is no prime in this interval. A247867

Primes that remain prime through 4 iterations of function f(x) = 9x + 2. A23324

Numbers k such that the continued fraction for sqrt(k) has period 67. A20406

Primes that remain prime through 3 iterations of function f(x) = 9x + 2. A23296