Properties of the Number 25993

Twenty-Five Thousand Nine Hundred Ninety-Three

Basics

Value: 25992 → 25993 → 25994

Parity: odd

Prime: No

Previous Prime: 25981

Next Prime: 25997

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 11 × 17 × 139

Divisors: 1, 11, 17, 139, 187, 1529, 2363, 25993

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110010110001001

Octal: 62611

Duodecimal: 13061

Hexadecimal: 6589

Square: 675636049

Square Root: 161.2234474262351

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) = 18·n² + 1. A157889

a(n) = 14·n³ - 30·n² + 24·n - 7. A155883

a(n) = 72·n² + 1. A158740

Nonsemiprimes in A306097 = A121707 \ A267999. A321488

Number of 0..n arrays x(0..3) of 4 elements with nondecreasing average value. A200764

Numbers k for which A003973(k) >= 2·A003961(k). A337386

G.f. satisfies A(x) = 1 + x·A(x) * A( x·A(x) )². A121687

Numerators of approximation to 2^1/3 by Newton's method after n iterations. A248041

Denominators of approximation to 2^1/3 by Newton's method after n iterations. A248042

Number of (n+2)X6 binary arrays avoiding patterns 000 and 001 in rows, columns and nw-to-se diagonals. A202431