Properties of the Number 86556

Eighty-Six Thousand Five Hundred Fifty-Six

Basics

Value: 86555 → 86556 → 86557

Parity: even

Prime: No

Previous Prime: 86539

Next Prime: 86561

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 7213

Divisors: 1, 2, 3, 4, 6, 12, 7213, 14426, 21639, 28852

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: 10101001000011100

Octal: 251034

Duodecimal: 42110

Hexadecimal: 1521c

Square: 7491941136

Square Root: 294.20401084961435

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

G.f.: 2·q * ∏_n>=1 (1 + q^2·n)/((1 + qⁿ)*(1 + q^2·n-1)*(1 + q^4·n)) in powers of q. A293132

4·a(n) is the maximum possible determinant of a 3 X 3 matrix whose entries are 9 consecutive primes starting with prime(n). A340923

a(n) = ∑_{i=1..floor((n+1)/4)} a(2·i-1) * a(n-2·i+1), with a(1)=a(2)=1 and a(3)=3. A24725

Number of binary strings of length n with no substrings equal to 0001 0100 or 1101. A164467

Lexicographically earliest sequence of pairwise coprime numbers such that τ(a(n)) = n, where τ(k) = number of divisors of k. A86556