Properties of the Number 7393

Seven Thousand Three Hundred Ninety-Three

Basics

Value: 7392 → 7393 → 7394

Parity: odd

Prime: Yes

Previous Prime: 7369

Next Prime: 7411

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 7393

Divisors: 1, 7393

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1110011100001

Octal: 16341

Duodecimal: 4341

Hexadecimal: 1ce1

Square: 54656449

Square Root: 85.98255637046388

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

Right-truncatable primes: every prefix is prime. A24770

Numbers n such that (22ⁿ+1)/23 is a prime. A57188

Lower prime of a difference of 18 between consecutive primes. A31936

Concentric 16-gonal numbers. A195146

Coefficients of 1/(1-2·x-7·x²)^1/2; also, a(n) is the central coefficient of (1+x+2·x²)ⁿ. A84601

Primes of the form 9x² + 6xy + 1849y². A244019

Third row of number array A082105. A82109

a(n) = a(n-1) + a(m) for n >= 3, where m = 2^p+1 + 2 - n and p is the unique integer such that 2^p < n - 1 <= 2^p+1, starting with a(1) = 1 and a(2) = 3. A50069

Mother primes of order 10. A136069

Primes p such that p is the largest member of a Wieferich tuple. A297846