Properties of the Number 25047

Twenty-Five Thousand Forty-Seven

Basics

Value: 25046 → 25047 → 25048

Parity: odd

Prime: No

Previous Prime: 25037

Next Prime: 25057

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 11 ² × 23

Divisors: 1, 3, 9, 11, 23, 33, 69, 99, 121, 207

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 110000111010111

Octal: 60727

Duodecimal: 125B3

Hexadecimal: 61d7

Square: 627352209

Square Root: 158.26244026931974

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

T(n,k)=Number of nXk 0..1 arrays with rows nondecreasing and antidiagonals unimodal. A224133

T(n,k) = Number of n X k 0..1 arrays with every element unequal to 1, 2, 3, 6, 7 or 8 king-move adjacent elements, with upper left element zero. A316740

a(n) = 23·n². A244632

Number of integer-sided pentagons having perimeter n, modulo rotations but not reflections. A293822

a(n) = (1/12)*(n+5)*(n+1)*n². A14205

a(n) = n*(n+1)*(14·n-11)/6. A172076

The Wiener index of the linear phenylene with n hexagons. A224454

a(n) is the greatest integer k such that k/Fibonacci(n) < sqrt(2). A293418

a(n) is the integer k that minimizes |k/Fibonacci(n) - sqrt(2)|. A293420

a(n) = 3·p(n), where p(n) is the number of partitions of n. A299473