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Properties of the Number 18534

Eighteen Thousand Five Hundred Thirty-Four

Basics

Value: 18533 → 18534 → 18535

Parity: even

Prime: No

Previous Prime: 18523

Next Prime: 18539

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 3089

Divisors: 1, 2, 3, 6, 3089, 6178, 9267, 18534

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100100001100110

Octal: 44146

Duodecimal: A886

Hexadecimal: 4866

Square: 343509156

Square Root: 136.1396341995967

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
a(n) is the number of subsequences {s(k)} of {1,2,3,...n} such that s(k+1)-s(k) is 1 or 3. A50228
T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X3 or 3X2 subblock having exactly three clockwise edge increases. A206072
Number of inequivalent binary [ n,3 ] codes of dimension <= 3 without zero columns. A34337
Numbers k such that k and 5·k, taken together, are pandigital. A115925
Let (u1,u2) be successive untouchable numbers such that φ(u1) = φ(u2); sequence gives values of u1. A48189
Values of n such that na-+a are primes, a=7. A155022
Number of (n+1) X 3 0..2 arrays with every 2 X 3 or 3 X 2 subblock having exactly three clockwise edge increases. A206066
Number of (n+1)X5 0..2 arrays with every 2X3 or 3X2 subblock having exactly three clockwise edge increases. A206068
Numbers with arithmetic derivative which is a palindromic prime number (A002385). A359332