Properties of the Number 3995

Three Thousand Nine Hundred Ninety-Five

Basics

Value: 3994 → 3995 → 3996

Parity: odd

Prime: No

Previous Prime: 3989

Next Prime: 4001

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 5 × 17 × 47

Divisors: 1, 5, 17, 47, 85, 235, 799, 3995

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111110011011

Octal: 7633

Duodecimal: 238B

Hexadecimal: f9b

Square: 15960025

Square Root: 63.20601237224193

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 minus number of partitions: A011782(n) - A000041(n). A56823

a(n) = n*(14·n-3). A185019

Smallest multiple of 5 with digit sum n. A69534

Number of distinct means of nonempty subsets of {1,...,n}. A135342

Odd interprimes not divisible by 3. A72573

a(n) = n*(7·n-3)/2. A218471

Odd interprimes divisible by 17. A124620

Integers (all of the form 4k+3) organized into an array based on the number of times ∑_i=1..u J(i,4k+3) obtains value zero when u ranges from 1 to (4k+3), where J(i,k) is the Jacobi symbol. A166092

Sum of the second largest parts in the partitions of n into 7 squarefree parts. A308959

Numbers which are the roots of distinct not-previously-encountered side-trees ("tendrils") sprouting from the side of the infinite beanstalk (see A213730). A218612