Properties of the Number 18311

Eighteen Thousand Three Hundred Eleven

Basics

Value: 18310 → 18311 → 18312

Parity: odd

Prime: Yes

Previous Prime: 18307

Next Prime: 18313

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 18311

Divisors: 1, 18311

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100011110000111

Octal: 43607

Duodecimal: A71B

Hexadecimal: 4787

Square: 335292721

Square Root: 135.31814364674088

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

Primes having only {1, 3, 8} as digits. A385778

Intersection of A251964, A252280 and A252281. A252283

Primes expressible as the sum of (at least two) consecutive primes in at least 3 ways. A67379

a(n) = 25·n² + 15·n + 1021. A214732

Prime terms of A338820. A338102

Numerators of the first column of the table of fractions generated by the Akiyama-Tanigawa transform from a first row A164555(k)/A027642(k). A174129

Primes formed from concatenation of PrimePi(n) and prime(n). A236551

Primes p such that p+2 is prime and p+A001414(p+1)+(p+2) is prime. A330488

a(n) is the least prime of the form prime(n)*p + prime(n+1)*q + prime(n+2)*r where p,q,r are consecutive primes. A340817

Lesser of twin primes p such that p and p+2 are both in A115591. A367318