Properties of the Number 18268

Eighteen Thousand Two Hundred Sixty-Eight

Basics

Value: 18267 → 18268 → 18269

Parity: even

Prime: No

Previous Prime: 18257

Next Prime: 18269

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 4567

Divisors: 1, 2, 4, 4567, 9134, 18268

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100011101011100

Octal: 43534

Duodecimal: A6A4

Hexadecimal: 475c

Square: 333719824

Square Root: 135.15916543098362

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

Total number of parts smaller than the largest part, in all partitions of n. A116686

Number of n-node labeled mating graphs whose complements are connected. A79306

Difference between successive primes cubed: a(n) = prime(n+1)³ - prime(n)³. A129701

Natural numbers of the form p³ - q³, where p and q are primes. A86120

Number of signed permutations of length n with adjacent elements differing by more than 1. A370766

Number of integers in n-th generation of tree T(3/2) defined in Comments. A274152

G.f. A(x) satisfies: 1 + x = ∏_n>=1 (1 - (-x)ⁿ*A(x)). A352018

a(n) = (n+4)³ - n³. A38866

Divisors of 66. A18268