Properties of the Number 16342

Sixteen Thousand Three Hundred Forty-Two

Basics

Value: 16341 → 16342 → 16343

Parity: even

Prime: No

Previous Prime: 16339

Next Prime: 16349

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 × 8171

Divisors: 1, 2, 8171, 16342

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 11111111010110

Octal: 37726

Duodecimal: 955A

Hexadecimal: 3fd6

Square: 267060964

Square Root: 127.83583222242503

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 primes less than 10000n. A38813

G.f.: ∏_k>=1 (1+x^k)^2·k-1. A255835

Numbers k such that prime(k) + prime(k+1) is a square. A64397

Iccanobirt numbers (11 of 15): a(n) = R(a(n-1) + R(a(n-2)) + R(a(n-3))), where R is the digit reversal function A004086. A102121

Expansion of -(7·x²+3·x-1)*(2·x²+2·x+1) / ((3·x²+3·x+1)*(2·x³+2·x²+4·x+1)). A110687

Triangle read by rows: T(n,k) is the number of relations from an n-element set to a k-element set that are not one-to-one functions. A344115

Least k such that A000668(n) + k is prime, where A000668(n) is the n-th Mersenne prime. A365160

Number of subsets of {1..n} that contain n but do not form a finite arithmetic progression. A389921

Iccanobirt semiprimes (11 of 15): Semiprime numbers in A102121. A102201

a(n) = 3ⁿ+5ⁿ-2n. A120950