Properties of the Number 14221

Fourteen Thousand Two Hundred Twenty-One

Basics

Value: 14220 → 14221 → 14222

Parity: odd

Prime: Yes

Previous Prime: 14207

Next Prime: 14243

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 14221

Divisors: 1, 14221

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11011110001101

Octal: 33615

Duodecimal: 8291

Hexadecimal: 378d

Square: 202236841

Square Root: 119.25183436744275

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 k such that (7^k - 1)/6 is prime. A4063

a(n) = 7ⁿ - 3·4ⁿ + 2·3ⁿ. A2501

Number of connected relations. A93732

Primes having only {1, 2, 4} as digits. A260267

Primes p whose period of reciprocal equals (p-1)/5. A56210

Array read by antidiagonals: T(m,n) = number of m X n binary matrices with all 1's connected and no zero rows or columns. A262307

Primes p such that q-p = 22, where q is the next prime after p. A61779

T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock commuting with each horizontal and vertical neighbor 3X3 subblock. A186881

Noncomposite numbers in the eastern ray of the Ulam spiral as oriented on the March 1964 cover of Scientific American. A168022

Prime numbers, isolated from neighboring primes by more than 12. A137873