Properties of the Number 38415

Thirty-Eight Thousand Four Hundred Fifteen

Basics

Value: 38414 → 38415 → 38416

Parity: odd

Prime: No

Previous Prime: 38393

Next Prime: 38431

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 × 13 × 197

Divisors: 1, 3, 5, 13, 15, 39, 65, 195, 197, 591

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001011000001111

Octal: 113017

Duodecimal: 1A293

Hexadecimal: 960f

Square: 1475712225

Square Root: 195.99744896299032

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) = n⁴ - 1. A123865

Positive integers k such that there is no m different from k where both d(k) = d(m) and d(k+1) = d(m+1), where d(k) is the number of positive divisors of k. A161460

a(n) = 1 - n⁴. A24002

Positive numbers which are one less than a perfect square that is also another power. A62965

Bases in which 7 is a unique-period prime. A306075

Numbers k such that k and k+1 are both φ-practical numbers (A260653). A330871

a(n) gives the odd leg of the second of the two Pythagorean triangles with hypotenuse A080109(n) = A002144(n)². This is the larger of the two possible odd legs. A253804

Least common multiple of 7·n+1 and 7·n-1. A282286

a(n) is the number of numbers k such that A340873(k) = n. A341218

Odd numbers that are one less than the square of a perfect power. A389956