Properties of the Number 25943

Twenty-Five Thousand Nine Hundred Forty-Three

Basics

Value: 25942 → 25943 → 25944

Parity: odd

Prime: Yes

Previous Prime: 25939

Next Prime: 25951

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 25943

Divisors: 1, 25943

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110010101010111

Octal: 62527

Duodecimal: 1301B

Hexadecimal: 6557

Square: 673039249

Square Root: 161.06830849052832

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 of the form 3·m² - 4. A201716

The number of permutations of length n sortable by 3 reversals. A228397

Ninth prime p such that (p+n)²+n is prime but (p+j)²+j is not prime for all 0<j<n. A238681

Number of partitions of n² into exactly 4 prime numbers. A243940

Number of (n+2) X (3+2) 0..1 arrays with no 3·3 subblock diagonal sum 0 and no antidiagonal sum 3 and no row sum 1 and no column sum 1. A257442

Primes p such that q=p²+p+1 is prime and (q²+q+1)/3 is prime. A322748

Primes p1 such that the sum of 9 consecutive primes, p1+p2+p3+p4+p5+p6+p7+p8+p9, and the three sums (p1+p2+p3), (p4+p5+p6), (p7+p8+p9) are all prime numbers. A343683

Expansion of 1/((1-2x)(1-3x)(1-7x)(1-8x)). A25943

Least prime pn such that there is a set p1 < p2 < ... < pn of primes such that, for any distinct p and q in the set, (p + q)/2 is prime. A381322