ℕ atory
Play Now

Properties of the Number 8164

Eight Thousand One Hundred Sixty-Four

Basics

Value: 8163 → 8164 → 8165

Parity: even

Prime: No

Previous Prime: 8161

Next Prime: 8167

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 2 × 13 × 157

Divisors: 1, 2, 4, 13, 26, 52, 157, 314, 628, 2041

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 1111111100100

Octal: 17744

Duodecimal: 4884

Hexadecimal: 1fe4

Square: 66650896

Square Root: 90.35485598461214

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

Numbers n such that Bernoulli number Bn has denominator 1590. A272140
Numbers m such that there are precisely 20 groups of order m. A298911
Number of ordered pairs of complementary subsets of an n-set with both subsets of cardinality at least 2. A52515
Numbers k such that 9·k! + 1 is prime. A180626
T(n,k)=Number of n-step one or two space at a time bishop's tours on a kXk board summed over all starting positions. A187046
The number of ways of putting n labeled items into k labeled boxes so that each box receives at least 2 objects. A200091
10-step Fibonacci sequence starting with 0,0,0,0,0,0,0,0,1,0. A251759
π(n) is a power of 2, where π(n) = A000720(n) is the number of primes <= n. A73798
Multiplicative order of 2 modulo prime(n)2 for n >= 2. A243905
4-untouchable numbers. A284156