Properties of the Number 8223

Eight Thousand Two Hundred Twenty-Three

Basics

Value: 8222 → 8223 → 8224

Parity: odd

Prime: No

Previous Prime: 8221

Next Prime: 8231

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 2741

Divisors: 1, 3, 2741, 8223

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 10000000011111

Octal: 20037

Duodecimal: 4913

Hexadecimal: 201f

Square: 67617729

Square Root: 90.68075870878012

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

Number of integer partitions of n with more parts than distinct divisors of parts. A371171

a(n) = smallest number that leads to a new fixed point under the base-2 Kaprekar map of A164884. A164887

Starts of runs of 4 consecutive Gray-code Niven numbers (A344341). A344344

T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock commuting with each of its horizontal and vertical 2X2 subblock neighbors. A186482

a(n) = 6·a(n-1)-8·a(n-2)-3 for n > 2; a(0) = 89, a(1) = 519, a(2) = 2063. A176634

Odd numbers seen in decimal expansion of π (disregarding the decimal period) contiguous, smallest and distinct. A50817

Least number having exactly two odd prime factors that differ by 2·n². A190052

a(n+1) = [ A·a(n)+B ]/p^r, where p^r is the highest power of p diving [ A·a(n)+B ] and p=2, A=2.00013, B=3.0. A29580

Row sums of A291844. A294158

Number of compositions of n such that every subsequence has a different sum. A335357