Properties of the Number 14427

Fourteen Thousand Four Hundred Twenty-Seven

Basics

Value: 14426 → 14427 → 14428

Parity: odd

Prime: No

Previous Prime: 14423

Next Prime: 14431

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 7 × 229

Divisors: 1, 3, 7, 9, 21, 63, 229, 687, 1603, 2061

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11100001011011

Octal: 34133

Duodecimal: 8423

Hexadecimal: 385b

Square: 208138329

Square Root: 120.11244731500561

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 ways of writing n as the sum of 7 triangular numbers. A226252

Numbers k such that 21^k - 2 is a prime. A128461

Trajectory of 537 under the Reverse and Add! operation carried out in base 2, written in base 10. A77076

Sum of the prime parts in the partitions of n into 5 parts. A309466

Number of partitions of n in which number of least parts is equal to least part. A96403

A transform of the Fibonacci numbers. A99505

An approximation to sigma_5/2(n): ceiling( ∑_d∣n d^5/2 ). A58274

a(n) = (1/4) * ∑_{k=0..floor(n/3)} (n-2·k+2) * binomial(2·n-4·k+2,2·k+1). A391831

Numerators of continued fraction convergents to sqrt(406). A41770

Number of 2 X 2 matrices M with all terms in {1,...,n} and permanent(M) >= n. A212240