Properties of the Number 8113

Eight Thousand One Hundred Thirteen

Basics

Value: 8112 → 8113 → 8114

Parity: odd

Prime: No

Previous Prime: 8111

Next Prime: 8117

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 7 × 19 × 61

Divisors: 1, 7, 19, 61, 133, 427, 1159, 8113

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1111110110001

Octal: 17661

Duodecimal: 4841

Hexadecimal: 1fb1

Square: 65820769

Square Root: 90.07219326740079

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 k such that numerator(Bernoulli(2·k)/(2·k)) is different from numerator(Bernoulli(2·k)/(2·k*(2·k-1))). A90495

Number T(n,k) of (binary) heaps of length n whose element set equals [k]; triangle T(n,k), n>=0, 0<=k<=n, read by rows. A373451

a(1) = 5; a(n) is smallest number >= a(n-1) such that the juxtaposition a(1)a(2)...a(n) is a prime. A46255

Consider the 2^n-1-1 nonempty subsets S of {1, 2, ..., n-1}; a(n) gives number of such S for which it is impossible to partition n into parts from S such that each s in S is used at least once. A70880

Binomial transform of 1, 1, 1, 2, 2, 2, 2, 2, ... A84634

Products of 3 distinct non-Sophie Germain primes. A157347

Numbers having exactly four representations by the quadratic form x²+xy+y² with 0<=x<=y. A198775

Second 13-gonal numbers: a(n) = n*(11·n+9)/2. A211013

Numbers that are the sum of eight fourth powers in five or more ways. A345580

Numbers that are the sum of eight fourth powers in exactly five ways. A345837