Properties of the Number 9409

Nine Thousand Four Hundred Nine

Basics

Value: 9408 → 9409 → 9410

Parity: odd

Prime: No

Previous Prime: 9403

Next Prime: 9413

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 97 ²

Divisors: 1, 97, 9409

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010011000001

Octal: 22301

Duodecimal: 5541

Hexadecimal: 24c1

Square: 88529281

Square Root: 97

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

Squares of primes. A1248

Prime powers p^e where p is a prime and e >= 2 (prime powers without the primes or 1). A246547

Numbers of the form p^e where both p and e are prime numbers. A53810

a(n) = (3·n+1)². A16778

Numbers k such that k and floor[k/3] are both squares; i.e., squares which remain squares when written in base 3 and last digit is removed. A55793

a(n) = (6·n + 1)². A16922

a(n) = (4·n + 1)². A16814

Prime powers with even nonnegative exponents. A56798

Numbers m with the property that the symmetric representation of σ(m) has three parts of width one. A247687

Composite numbers whose divisors (except 1) all contain the digit 9. A62680