Properties of the Number 38638

Thirty-Eight Thousand Six Hundred Thirty-Eight

Basics

Value: 38637 → 38638 → 38639

Parity: even

Prime: No

Previous Prime: 38629

Next Prime: 38639

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 × 19319

Divisors: 1, 2, 19319, 38638

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1001011011101110

Octal: 113356

Duodecimal: 1A43A

Hexadecimal: 96ee

Square: 1492895044

Square Root: 196.56551070826234

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

Hurwitz inverse of triangular numbers [1,3,6,10,15,...]. A302195

Numbers k such that A001414(k) is a square and sets a new record for squares. A64463

a(n) = 2·prime(n)² - 4. A153480

Number of positive walks with n steps {-4,-3,-2,-1,0,1,2,3,4} starting at the origin, ending at altitude 1, and staying strictly above the x-axis. A277920

Numbers k such that k-th and (k+1)-st term of A038593 differ by 7. A38638

Number of (n+1)X(6+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally, diagonally or antidiagonally, with no adjacent elements equal. A232513