Properties of the Number 9001

Nine Thousand One

Basics

Value: 9000 → 9001 → 9002

Parity: odd

Prime: Yes

Previous Prime: 8999

Next Prime: 9007

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 9001

Divisors: 1, 9001

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001100101001

Octal: 21451

Duodecimal: 5261

Hexadecimal: 2329

Square: 81018001

Square Root: 94.87360012142472

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

Primes whose base-3 representation also is the base-2 representation of a prime. A235265

Primes having only {0, 1, 9} as digits. A199329

Primes with first digit 9. A45715

Primes all of whose internal digits (if any) are 0. A69675

Minimal set of prime-strings in base 10. A71062

Primes which are the concatenation of two squares (in decimal notation). A167535

Initial term in sequence of four consecutive primes separated by 3 consecutive differences each <=6 (i.e., when d=2,4 or 6) and forming d-pattern=[6, 4,2]; short d-string notation of pattern = [642]. A78855

Primes p for which the period of reciprocal = (p-1)/8. A56213

Primes which can be expressed as a sum of distinct powers of 3. A77717

Prime having only {0, 1, 4, 9} as digits. A61246