Properties of the Number 3899

Three Thousand Eight Hundred Ninety-Nine

Basics

Value: 3898 → 3899 → 3900

Parity: odd

Prime: No

Previous Prime: 3889

Next Prime: 3907

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 7 × 557

Divisors: 1, 7, 557, 3899

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111100111011

Octal: 7473

Duodecimal: 230B

Hexadecimal: f3b

Square: 15202201

Square Root: 62.44197306299666

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

T(n,k)=Number of -k..k arrays of n elements with first and second differences also in -k..k. A201088

a(n) is the number whose binary representation is the concatenation of the divisors of n written in base 2. A182622

Number T(n,k) of partitions of [n] having exactly k parity changes within their blocks, n>=0, 0<=k<=max(0,n-1), read by rows. A363493

a(n) is the number of unlabeled modular lattices on n nodes. A6981

Numbers k such that prime(k+3)-(k+3)*τ(k+3) = prime(k)-k*τ(k) where τ(k) = A000005(k) is the number of divisors of k. A67356

a(0) = 16, after which, if (2·a(n-1)) - 1 = ∏_{k >= 1} (p_k)^c_k then a(n) = ∏_{k >= 1} (p_k-1)^c_k, where p_k indicates the k-th prime, A000040(k). A246345

Triangle read by rows: T(s,n) (s>=1 and 1<=n<=s) = number of weighted trees with n nodes and positive integer node labels with label sum s. A303841

Discriminants of imaginary quadratic fields with class number 24 (negated). A48925

Number of connectable 3 X n binary matrices. A54420

a(0) = 2, a(n) is the smallest squarefree number > a(n-1) such that the sum a(n) + a(i) for all i = 1 to (n-1) is squarefree. Or, sum of any two terms is a squarefree number. A85902