Properties of the Number 26423

Twenty-Six Thousand Four Hundred Twenty-Three

Basics

Value: 26422 → 26423 → 26424

Parity: odd

Prime: Yes

Previous Prime: 26417

Next Prime: 26431

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 26423

Divisors: 1, 26423

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110011100110111

Octal: 63467

Duodecimal: 1335B

Hexadecimal: 6737

Square: 698174929

Square Root: 162.55153029116644

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

a(n) is the largest prime factor of n·2ⁿ-1. A367003

Primes that are each the sum of two, three, and four consecutive composite numbers. A60339

In binary starting with 1, prepend a 1 and as few 0's as required such that the new number is relatively prime to all previous in sequence. Thus binary 1, 11, 111, 10111, 110111, 100110111, 1100110111, 11100110111. A168612

a(n) = 9·b₉(n) + 8, where b₉ lists the indices of zeros of the sequence A261309: u(n) = abs(u(n-1) - gcd(u(n-1), 9n-1)), u(1) = 1. A186261

Number of Dyck paths with no UUU's and no DDD's, of semilength n and having no UDUD's (U=(1,1), D=(1,-1)). A166289

Primes having only {2, 3, 4, 6} as digits. A386140

a(n) is the smallest prime number p, such that the sequence of n consecutive prime numbers modulo n starting with p is a palindromic. A393342

30·a(n) is the gap between sexy prime triples in the n-th sexy prime triple triple whose initial term is 7. A90776

a(n) = 81·n² - 2247·n + 15383. A182255

a(n) = least positive integer > a(n-1) and not a(i)*a(j) for 1<=i<=j<=n, n >= 2. A26423