Properties of the Number 90223

Ninety Thousand Two Hundred Twenty-Three

Basics

Value: 90222 → 90223 → 90224

Parity: odd

Prime: No

Previous Prime: 90217

Next Prime: 90227

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 7 × 12889

Divisors: 1, 7, 12889, 90223

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10110000001101111

Octal: 260157

Duodecimal: 44267

Hexadecimal: 1606f

Square: 8140189729

Square Root: 300.3714367245994

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

Sum of the sizes of the seventh blocks in all set partitions of {1,2,...,n}. A270499

a(0) = 0; a(n) = n - (1/n) * ∑_k=1..n-1 binomial(n,k)² * (n-k) * k·a(k). A337590

Triangle T(n,p) read by rows: the number of occurrences of p in the restricted growth functions of length n. A270236

Nonnegative integers with doubled multiples of 4. A90223

Number of conjugacy classes of maximal subgroups of the symmetric group S_n. A66115

a(n) is the number of conjugacy classes of maximal subgroups of the alternating group A_n. A66113