Properties of the Number 3867

Three Thousand Eight Hundred Sixty-Seven

Basics

Value: 3866 → 3867 → 3868

Parity: odd

Prime: No

Previous Prime: 3863

Next Prime: 3877

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 1289

Divisors: 1, 3, 1289, 3867

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 111100011011

Octal: 7433

Duodecimal: 22A3

Hexadecimal: f1b

Square: 14953689

Square Root: 62.185207244167

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 non-isomorphic T₀ set systems of weight n. A319559

Number T(n,k) of equivalence classes of ways of placing k 3 X 3 tiles in an n X 10 rectangle under all symmetry operations of the rectangle; irregular triangle T(n,k), n>=3, 0<=k<=3·floor(n/3), read by rows. A238592

Values of n such that L(9) and N(9) are both prime, where L(k) = (n²+n+1)*2^2·k + (2·n+1)*2^k + 1, N(k) = (n²+n+1)*2^k + n. A226929

Sum of positive Dyson's ranks of all partitions of n. A209616

Number of semi-sums of strict integer partitions of n. A366741

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing absolute value of x(i,j)-x(i-1,j) in the j direction. A250898

Numbers n such that p(6n) is prime, where p(n) is the number of partitions of n. A111036

a(1) = 5; a(n) is smallest number > a(n-1) such that the juxtaposition a(1)a(2)...a(n) is a prime. A74340

A B₂ sequence: a(n) = least value such that the sequence increases and pairwise sums of distinct terms are all distinct. A10672

A185128(n) is the a(n)-th triangular number. A185223