Properties of the Number 20533

Twenty Thousand Five Hundred Thirty-Three

Basics

Value: 20532 → 20533 → 20534

Parity: odd

Prime: Yes

Previous Prime: 20521

Next Prime: 20543

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 20533

Divisors: 1, 20533

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101000000110101

Octal: 50065

Duodecimal: BA71

Hexadecimal: 5035

Square: 421604089

Square Root: 143.29340529138108

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 whose base-3 representation also is the base-2 representation of a prime. A235265

Irregular primes with irregularity index three. A60975

Least prime in A031928 (lesser of 10-twins) whose distance to the next 10-twin is 6·n. A52354

Sum of distinct terms of A002674: a(0) = 0, a(2n) = A255411(A153880(a(n))), a(2n+1) = 1+A255411(A153880(a(n))). A275959

Primes p such that x⁵⁹ = 2 has no solution mod p. A59312

Sums of 7 distinct powers of 3. A38469

Primes congruent to 1 mod 59. A216315

Primes in A003154. A83577

Primes p such that reversal(p) - 13 is a square. A176371

Primes p such that ∑_{k=PreviousPrime(p)..p} d(k) = ∑_{k=p..NextPrime(p)} d(k), where d(k) is the number of divisors function A000005. A353552