Properties of the Number 18307

Eighteen Thousand Three Hundred Seven

Basics

Value: 18306 → 18307 → 18308

Parity: odd

Prime: Yes

Previous Prime: 18301

Next Prime: 18311

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 18307

Divisors: 1, 18307

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100011110000011

Octal: 43603

Duodecimal: A717

Hexadecimal: 4783

Square: 335146249

Square Root: 135.30336285547378

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

T(n,k)=Number of nXk 0..3 arrays with no element equal to one plus the sum of elements to its left or two plus the sum of the elements above it or two plus the sum of the elements diagonally to its northwest, modulo 4. A240364

Primes at which the difference pattern X42Y (X and Y >= 6) occurs in A001223. A52164

Honaker primes of the form p = 2·k-1 with sum-of-digits(p) = sum-of-digits(k). A176111

Discriminants of imaginary quadratic fields with class number 17 (negated). A46014

Non-palindromic balanced primes in base 2. A256081

Partial sums of A001935; at one time this was conjectured to agree with A007478. A14605

Numbers n such that Catalan(n)-1 is prime. A53427

Primes of the form p = prime(k+1) such that prime(k) = (prime(k+3)+prime(k-1))/2. A126239

Real part of the smallest Gaussian prime having a gap size of exactly A128106(n). A128107

Primes congruent to 17 mod 59. A142744