Properties of the Number 8186

Eight Thousand One Hundred Eighty-Six

Basics

Value: 8185 → 8186 → 8187

Parity: even

Prime: No

Previous Prime: 8179

Next Prime: 8191

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 4093

Divisors: 1, 2, 4093, 8186

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 1111111111010

Octal: 17772

Duodecimal: 48A2

Hexadecimal: 1ffa

Square: 67010596

Square Root: 90.47651629014017

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 partitions of n into parts each of which is used a different number of times. A98859

Number of integer partitions of n that are constant or whose part multiplicities, except possibly the first and last, are all even. A349060

Number of r-bicoverings (or restricted proper 2-covers) of an n-set. A60053

Array read by antidiagonals: A(n,k) is the number of T₀ n-regular set-systems on a k-set. A331039

Growth series for group with presentation < S, T : S⁴ = T⁴ = (S·T)⁴ = 1 >. A298802

Binomial transform of [1,1,7,1,7,1,7,1,...]. A131130

Least sum of 3 distinct nonzero squares in exactly n ways. A25415

Numbers k that, when expressed in base 5 and then interpreted in base 7, give a multiple of k. A62929

Positions of 2's in A264977; positions of 3's in A277330. A277712

Number of nX2 0..1 arrays with every element equal to 0, 2, 3 or 5 king-move adjacent elements, with upper left element zero. A297937