Properties of the Number 3221

Three Thousand Two Hundred Twenty-One

Basics

Value: 3220 → 3221 → 3222

Parity: odd

Prime: Yes

Previous Prime: 3217

Next Prime: 3229

Digit Sum: 8

Digital Root: 8

Palindrome: No

Factorization: 3221

Divisors: 1, 3221

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 110010010101

Octal: 6225

Duodecimal: 1A45

Hexadecimal: c95

Square: 10374841

Square Root: 56.753854494650845

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 decimal representation is a valid number in base 4 and interpreted as such is again a prime. A90707

Write 1,2,... in a clockwise spiral; sequence gives numbers on positive·axis. A33951

Numbers that are the sum of 4 positive 5th powers. A3349

Primes with 10 as smallest positive primitive root. A61323

Primes congruent to 2 mod 29. A141978

Primes with first digit 3. A45709

Fundamental discriminants of real quadratic number fields with class number 3. A94612

a(0) = 0; a(n) is obtained by incrementing each digit of a(n-1) by 1. A61511

Primes p such that p + nextprime(p) is the arithmetic mean of a pair of twin primes. A99349

Intersection of A205302 and A205511. A205533