Properties of the Number 38399

Thirty-Eight Thousand Three Hundred Ninety-Nine

Basics

Value: 38398 → 38399 → 38400

Parity: odd

Prime: No

Previous Prime: 38393

Next Prime: 38431

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 19 × 43 × 47

Divisors: 1, 19, 43, 47, 817, 893, 2021, 38399

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001010111111111

Octal: 112777

Duodecimal: 1A27B

Hexadecimal: 95ff

Square: 1474483201

Square Root: 195.95662785422698

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 compositions p(1)+p(2)+...+p(k) = n such that for no part p(i) = i (compositions without fixed points). A238351

Number of partitions p of n such that median(p) >= multiplicity(min(p)). A240216

a(n) = 24·n² - 1. A158544

Radicands of pure cubic number fields of type β and subtype M0. A363699

Where A093316 first equals n. A93319

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 157", based on the 5-celled von Neumann neighborhood. A270331

Numbers k such that 395·2^k+1 is prime. A323042

Concatenate first n nonzero Fibonacci numbers in reverse order. A38399

Square array T(n,k) read by antidiagonals upwards: "Dropping Times" in reduced Collatz sequences. (See "Comments" for definitions and explanation.) A259663