Properties of the Number 48821

Forty-Eight Thousand Eight Hundred Twenty-One

Basics

Value: 48820 → 48821 → 48822

Parity: odd

Prime: Yes

Previous Prime: 48817

Next Prime: 48823

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 48821

Divisors: 1, 48821

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1011111010110101

Octal: 137265

Duodecimal: 24305

Hexadecimal: beb5

Square: 2383490041

Square Root: 220.9547464980103

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

Initial members of prime quadruples (n, n+2, n+36, n+38). A248367

Primes whose sum of reciprocal of digits is a prime. A266815

Primes p, with k digits, such that the ∑_i=1..k (p without its i-th digit)/(its i-th digit) is a prime. A346206

Primes such that the sum of their digits and the sum of the reciprocals of their digits is also prime. A64779

Non-palindromic primes which on subtracting their reversal gives perfect cubes. A80178

Primes p1 such that p1³+p2²=pp are average of twin primes. p1 and p2 consecutive primes, p1 < p2. A138735

Lesser of twin primes p1 such that p1³ + p2² are average of twin primes. p1 and p2 twin primes, p1 < p2. A139778

Primes p such that p+2, (p+1)||p and (p+1)||(p+2) are primes (where || denotes concatenation in base 10). A309934

Fifth term of strong prime sextets: p(m-3)-p(m-4) > p(m-2)-p(m-3) > p(m-1)-p(m-2) > p(m)-p(m-1) > p(m+1)-p(m). A54817

Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 1000-1111-0100 pattern in any orientation. A146406