Properties of the Number 26959

Twenty-Six Thousand Nine Hundred Fifty-Nine

Basics

Value: 26958 → 26959 → 26960

Parity: odd

Prime: Yes

Previous Prime: 26953

Next Prime: 26981

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 26959

Divisors: 1, 26959

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110100101001111

Octal: 64517

Duodecimal: 13727

Hexadecimal: 694f

Square: 726787681

Square Root: 164.19196082634497

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 p such that the number of primes less than p equal to 1 mod 4 is two less than the number of primes less than p equal to 3 mod 4. A96451

Primes p, with index k, such that p-k and p+k are both prime. A143794

Irregular triangle read by rows: T(n,k) is the number of non-isomorphic directed graphs reachable in k >= 0 steps (and no fewer) by n >= 1 agents using the ANY protocol (see A318154). A383386

The smallest prime p that makes the pair p+/-6n both primes while no other pair of p+/-6k+6·n, 0<k<n both primes. A139602

a(n) = n·prime(prime(n)) - prime(n). A230285

Value of prime number D for incrementally largest values of minimal·satisfying the equation x² - D·y² = 2. A336786

Starting positions of strings of three 2's in the decimal expansion of π. A83606

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 331", based on the 5-celled von Neumann neighborhood. A271279

Number of compositions (ordered partitions) of n into triangular parts (A000217) such that no two adjacent parts are equal (Carlitz compositions). A301502

Primes dividing nonzero terms in A002065. A328704