Properties of the Number 26869

Twenty-Six Thousand Eight Hundred Sixty-Nine

Basics

Value: 26868 → 26869 → 26870

Parity: odd

Prime: No

Previous Prime: 26863

Next Prime: 26879

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 97 × 277

Divisors: 1, 97, 277, 26869

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110100011110101

Octal: 64365

Duodecimal: 13671

Hexadecimal: 68f5

Square: 721943161

Square Root: 163.9176622576103

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

Smallest number that can be made to take n steps to reach 0 under "k -> any product of 2 numbers whose concatenation is k". A35934

Odd composites (including 1 in the count) where the number 1 mod 4 equals the number 3 mod 4. A93180

a(n) is the smallest odd number that makes a(n)*2^N(n)-1 prime, where N(n) is the n-th Mersenne number that makes 2^N(n)-1 prime. A135434

Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 13. A31601

Discriminants of real quadratic fields with class number 2 and related continued fraction period length of 23. A51988

a(0)=1; a(1)=1; a(2)=1; a(n) = a(n-1) + (1 + a(n-2))*(1 + a(n-3)). A63404

Composite numbers that divide at least one Euclid number. A297894

Even-indexed primes: a(n) = prime(2n). A31215

Number of permutations p of 1,2,...,n satisfying p(i+2) - p(i) <> 2 for all 1 <= i <= n-2. A189281

Primes p dividing 1 + the product of the primes less than p. A66735