Properties of the Number 63221

Sixty-Three Thousand Two Hundred Twenty-One

Basics

Value: 63220 → 63221 → 63222

Parity: odd

Prime: No

Previous Prime: 63211

Next Prime: 63241

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 191 × 331

Divisors: 1, 191, 331, 63221

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1111011011110101

Octal: 173365

Duodecimal: 30705

Hexadecimal: f6f5

Square: 3996894841

Square Root: 251.43786508797754

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 length n+3 0..k arrays with no four elements in a row with pattern abba (possibly a=b) and new values 0..k introduced in 0..k order. A243033

A129957(n) - n*(n-1)/2. A129959

Fibonacci entry points: a(n) = smallest m such that prime(A075702(n)) divides Fibonacci(m). A175026

Number of 0..1 arrays x(0..n-1) of n elements with each no smaller than the sum of its three previous neighbors modulo 2. A200661

Number of length n+3 0..4 arrays with no four elements in a row with pattern abba (possibly a=b) and new values 0..4 introduced in 0..4 order. A243029

Dimension of the space of weight 2n cuspidal newforms for Gamma₀( 57 ). A63221

Number of distinct ω-sequences of integer partitions of n. A325412