Properties of the Number 88218

Eighty-Eight Thousand Two Hundred Eighteen

Basics

Value: 88217 → 88218 → 88219

Parity: even

Prime: No

Previous Prime: 88211

Next Prime: 88223

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 13 ² × 29

Divisors: 1, 2, 3, 6, 9, 13, 18, 26, 29, 39

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10101100010011010

Octal: 254232

Duodecimal: 43076

Hexadecimal: 1589a

Square: 7782415524

Square Root: 297.0151511286924

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

House numbers (version 2): a(n) = (n+1)³ + (n+1)*∑_i=0..n i. A50509

Areas of trapezoids with integer sides, height and offsets whose area equals their perimeter. A374594

a(n) = 81·n² + 9. A157888

a(n) is the smallest integer that can appear as the n-th term of two distinct nondecreasing sequences of positive integers that satisfy the Fibonacci recurrence relation. A286983

Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 66. A31744

9 + 8·a(n) appears in a congruence which determines representative parallel primitive binary quadratic forms for discriminant 9·m(n)² - 4 and representation -m(n)², where m(n) = A002559(n) (Markoff numbers). A327344

Total number of leaves in all rooted ordered trees with n edges. A88218

Number of (n+1)X(2+1) 0..3 arrays with no 2X2 subblock having a diagonal absolute difference less than its antidiagonal absolute difference. A250929