Properties of the Number 90216

Ninety Thousand Two Hundred Sixteen

Basics

Value: 90215 → 90216 → 90217

Parity: even

Prime: No

Previous Prime: 90203

Next Prime: 90217

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ³ × 3 ² × 7 × 179

Divisors: 1, 2, 3, 4, 6, 7, 8, 9, 12, 14

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110000001101000

Octal: 260150

Duodecimal: 44260

Hexadecimal: 16068

Square: 8138926656

Square Root: 300.3597842588118

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 positive solutions to (x₁)² + (x₂)² + ... + (x₅)² <= n². A341424

G.f.: (1 + 5·x + 5·x² + x³)/∏_i=1..10 (1 - xⁱ). A256977

a(n) is the smallest integer k such that k is the sum of exactly n distinct permutations of k, all having the same number of digits as k. A384708

Generalized Stirling2 array S_5,5(n,k). A90216

Number of tiered orders on n nodes (corrected version of A006860). A223911

Erroneous version of A223911: Tiered orders on n nodes. A6860

G.f. A(x) satisfies [xⁿ] A(x)^prime(n) = prime(n)ⁿ for n >= 1. A392214