Properties of the Number 78623

Seventy-Eight Thousand Six Hundred Twenty-Three

Basics

Value: 78622 → 78623 → 78624

Parity: odd

Prime: Yes

Previous Prime: 78607

Next Prime: 78643

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 78623

Divisors: 1, 78623

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10011001100011111

Octal: 231437

Duodecimal: 395BB

Hexadecimal: 1331f

Square: 6181576129

Square Root: 280.39793151876137

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

Fifth term of weak prime sextet: 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). A54832

Emirps that can be written as p·q+p+q where p and q are emirps. A352249

Emirps p such that p+(sum of digits of p) and reverse(p)+(sum of digits of p) are emirps. A340843

Number of matched parentheses and brackets of length n, where a closing bracket will close any remaining open parentheses back to the matching open bracket (as in some versions of LISP). A78623