Properties of the Number 18133

Eighteen Thousand One Hundred Thirty-Three

Basics

Value: 18132 → 18133 → 18134

Parity: odd

Prime: Yes

Previous Prime: 18131

Next Prime: 18143

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 18133

Divisors: 1, 18133

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100011011010101

Octal: 43325

Duodecimal: A5B1

Hexadecimal: 46d5

Square: 328805689

Square Root: 134.65882815471105

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

Reflectable emirps. A7628

Primes p for which exactly five bases b with 1 < b < p exist such that p is a base b Wieferich prime. A255208

Expansion of ∏_{i>=1, j>=0} (1 + x^{i·5^j}). A373219

a(n) is the number of n-digit numbers whose difference between the largest and smallest digits is equal to 3. A367244

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

a(1)=2; a(n) for n>1 is the smallest prime number > a(n-1) such that the concatenation of all previous terms is also prime. A80155

Primes p such that p plus or minus the sum of its digits squared yields a prime in both cases. A179550

Emirps p such that (p·q) mod (p+q) is also an emirp, where q is the digit reversal of p. A355651

Maximum word length generated by acyclic context-free grammar in Greibach normal form whose grammar size is at most n. A389642

Primes congruent to 7 mod 53. A142537