Properties of the Number 87223

Eighty-Seven Thousand Two Hundred Twenty-Three

Basics

Value: 87222 → 87223 → 87224

Parity: odd

Prime: Yes

Previous Prime: 87221

Next Prime: 87251

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 87223

Divisors: 1, 87223

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101010010110111

Octal: 252267

Duodecimal: 42587

Hexadecimal: 154b7

Square: 7607851729

Square Root: 295.33540255106567

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

Numerators of the second differences of the sequence of fractions (-1)ⁿ⁺¹*A176618(n)/A172031(n). A195240

Use same rules as A047988. Sequence gives smallest numbers which require n steps to reach 2. A61390

Bisection of A195240(n). A228954

G.f. satisfies A(x) = f(x) + x·A(x)*f(x)³, where f(x) = ∑_k>=0 x^{(4^k-1}/3). A87223