Properties of the Number 9025

Nine Thousand Twenty-Five

Basics

Value: 9024 → 9025 → 9026

Parity: odd

Prime: No

Previous Prime: 9013

Next Prime: 9029

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 5 ² × 19 ²

Divisors: 1, 5, 19, 25, 95, 361, 475, 1805, 9025

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10001101000001

Octal: 21501

Duodecimal: 5281

Hexadecimal: 2341

Square: 81450625

Square Root: 95

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: Yes

Fermat Number: No

Cullen Number: No

OEIS Sequences

Odd squares: a(n) = (2n+1)². Also centered octagonal numbers. A16754

Squares of the squarefree semiprimes (p²*q²). A85986

Powers of composite squarefree numbers that are not squarefree. A303606

Numbers with 9 divisors. A30627

a(n) = (3n+2)². A16790

Products of squares of 2 or more distinct primes. A177492

Numbers m² for which the center part (containing the diagonal) of its symmetric representation of σ, SRS(m²), has width 1 and area m. A377654

a(n) = (6·n + 5)². A16970

Perfect squares which are not the difference of two primes. A106564

Squares whose digit sum is also a square. A53057