Properties of the Number 25579

Twenty-Five Thousand Five Hundred Seventy-Nine

Basics

Value: 25578 → 25579 → 25580

Parity: odd

Prime: Yes

Previous Prime: 25577

Next Prime: 25583

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 25579

Divisors: 1, 25579

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110001111101011

Octal: 61753

Duodecimal: 12977

Hexadecimal: 63eb

Square: 654285241

Square Root: 159.93436153622523

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

Number of compositions of n with all adjacent parts (x, y) satisfying x > 2y or y = 2x. A342336

Numbers whose square is palindromic in base 12. A29737

a(n) is least prime p such that 7 is the n-th term in the Euclid-Mullin sequence starting at p, or 0 if no such prime p exists. A94153

a(n) is the least number such that d(a(n)) = d(R(a(n)))/n, where R(n) is the digit reverse of n and d(n) is the number of divisors of n. A284495

a(n) = 58·n² + 1. A158666

Primes p such that (p+2)/3 and (p+3)/2 are prime. A338410

Primes p(x) satisfying the following conditions: (a) A082882(x)=1; (b) {p(x),p(x+1)} are not twin primes; (c) values of A075860(j) for j composites between these two non-twin primes are identical. A82883

Primes p such that p, p+4, p+10, p+22, p+24, p+42 are all primes. A144594

a(n) equals the number of admissible pairs of subsets of {1,2,...,n} in the notation of Marzuola-Miller. A158448

Primes p with property that there exists a number d>0 such that numbers p-k·d, k=1...7, are seven primes. A216590