Properties of the Number 16853

Sixteen Thousand Eight Hundred Fifty-Three

Basics

Value: 16852 → 16853 → 16854

Parity: odd

Prime: No

Previous Prime: 16843

Next Prime: 16871

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 19 × 887

Divisors: 1, 19, 887, 16853

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100000111010101

Octal: 40725

Duodecimal: 9905

Hexadecimal: 41d5

Square: 284023609

Square Root: 129.81910491141124

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

Imaginary part of absolute Gaussian perfect numbers, in order of increasing magnitude. A102532

Semiprimes in A103377. A103397

Base numbers of 9-gonal palindromic numbers. A55560

Numerators of continued fraction convergents to sqrt(305). A41574

Numbers k such that 5·10^k + 2·R_k + 5 is prime, where R_k = 11...1 is the repunit (A002275) of length k. A103010

a(n) = [ C(2n,n)/2ⁿ⁺² ]. A24505

Number of n X n binary arrays symmetric under 90 degree rotation with all ones connected only in a 1100-0101-0111 pattern in any orientation. A147207

G.f.: x^k²/(mul(1-x^2·i,i=1..k)*mul(1+x^2·r-1,r=1..oo)) with k=3. A246579

Square array A(n, k) = A246278(1+n, k) - σ(A246278(n, k)), read by falling antidiagonals, where A246278 is the prime shift array. A372563

a(n) = (5·n)⁵. A16853