Properties of the Number 16398

Sixteen Thousand Three Hundred Ninety-Eight

Basics

Value: 16397 → 16398 → 16399

Parity: even

Prime: No

Previous Prime: 16381

Next Prime: 16411

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 911

Divisors: 1, 2, 3, 6, 9, 18, 911, 1822, 2733, 5466

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100000000001110

Octal: 40016

Duodecimal: 95A6

Hexadecimal: 400e

Square: 268894404

Square Root: 128.05467582247826

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

a(n) = 2ⁿ + n. A6127

Partial sums of A000337(n+4), n >= 0. A45618

Numbers k such that w(k), w(k+1), and w(k+2) are all odd, where w is A336957. A337644

Where powers of 2 occur in the union of squares and powers of 2. A188917

Rectangular array: (row n) = b**c, where b(h) = -1 + 2^h, c(h) = b(n-1+h), n>=1, h>=1, and ** = convolution. A213747

a(n) = ∑_k=1..n φ(gcd(k, n))^{gcd(k, n} - 1). A342544

Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of A203953. A203954

Permutation of natural numbers: a(1) = 0, after which, a(2n) = A087686(1+a(n)), a(2n+1) = A088359(a(A268674(2n+1))). A269852

Expansion of ∏_m>=1 (1 - m·q^m)⁶. A22666

a(n) = 529·n - 1. A158365