Properties of the Number 38407

Thirty-Eight Thousand Four Hundred Seven

Basics

Value: 38406 → 38407 → 38408

Parity: odd

Prime: No

Previous Prime: 38393

Next Prime: 38431

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 193 × 199

Divisors: 1, 193, 199, 38407

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001011000000111

Octal: 113007

Duodecimal: 1A287

Hexadecimal: 9607

Square: 1475097649

Square Root: 195.97703947146462

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

Quasi-Carmichael numbers to exactly three bases. A257753

Product of the n-th sexy prime pair. A111192

Triangle read by rows: T(n,k) is the number of weakly connected acyclic digraphs on n unlabeled nodes with k arcs, n >= 1, k = 0..(n-1)*n/2. A350449

Numbers n such that exactly two positive d in the range d <= n/2 exist which divide binomial(n-d-1, d-1) and which are not coprime to n. A178098

Sequence of pairwise relatively prime numbers of class P₅ (see comment in A275246). A275249

a(n) = (8·n+1)*(8·n+7). A1533

Numbers k such that x^k + x¹⁰ + 1 is irreducible over GF(2). A57480

Antidiagonal sums of triangle A097186, in which the n-th row polynomial R_n(y) is formed from the initial (n+1) terms of g.f. A057083(y)ⁿ⁺¹, where R_n(1/3) = 3ⁿ for all n>=0. A97187

a(n) = (6·n+1)*(6·n+7). A85026

Least k such that A359247(k) = n, or 0 if no such k exists. A359657