Properties of the Number 47623

Forty-Seven Thousand Six Hundred Twenty-Three

Basics

Value: 47622 → 47623 → 47624

Parity: odd

Prime: Yes

Previous Prime: 47609

Next Prime: 47629

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 47623

Divisors: 1, 47623

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1011101000000111

Octal: 135007

Duodecimal: 23687

Hexadecimal: ba07

Square: 2267950129

Square Root: 218.2269460905321

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 of the form 3·m² - 5. A201717

Numbers n such that n²⁰⁴⁸ + (n+1)²⁰⁴⁸ is prime. A274235

Unbranched catafusenes, mirror-symmetrical. A323931

a(n) = number of types of conjugacy classes in GL(n,q) (this is independent of q). A3606

Primes p such that p² is the concatenation of two k-digit primes where k is half the length of p². A248046

Primes p such that 2·p-27, 2·p+27, 2·p-33 and 2·p+33 are primes or -1 times primes. A103807

a(n) = 9·a(n-1)-a(n-2); a(0)=2, a(1)=9. A56918

Numbers that are congruent to {1, 3, 5} mod 8. A47623

Composite numbers and 1 which yield a prime whenever a 7 is inserted anywhere in them, including at the beginning or end. A216168

a(0) = 0; for n > 0, a(n) is the number of distinct digit strings that occur at least twice (including any overlapping occurrences) in the concatenation of all previous terms. A330015