Properties of the Number 18266

Eighteen Thousand Two Hundred Sixty-Six

Basics

Value: 18265 → 18266 → 18267

Parity: even

Prime: No

Previous Prime: 18257

Next Prime: 18269

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 9133

Divisors: 1, 2, 9133, 18266

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100011101011010

Octal: 43532

Duodecimal: A6A2

Hexadecimal: 475a

Square: 333646756

Square Root: 135.15176654413364

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 the difference between k-th prime and next prime is 70. A116493

Numbers k such that τ(k) + τ(k+1) + τ(k+2) + τ(k+3) = 16, where τ is the number of divisors function A000005. A350686

Number of days after Jan 01 1000 such that the date written in the format DDMMYYYY is palindromic. A210885

Sum of next n composite numbers. A72475

Aliquot sequence starting at 660. A14362

Number of integer points (x,y,z) at distance <= 0.5 from sphere of radius n. A16728

Numbers k such that the continued fraction for sqrt(k) has period 59. A20398

Indices of primes in sequence defined by A(0) = 83, A(n) = 10·A(n-1) + 13 for n > 0. A101067

Number of n X 2 nonnegative integer arrays with upper left 0 and every value within 3 of its city block distance from the upper left and every value increasing by 0 or 1 with every step right or down. A252822

Number of partitions of n that do not contain odd primes as parts. A355195