Properties of the Number 88181

Eighty-Eight Thousand One Hundred Eighty-One

Basics

Value: 88180 → 88181 → 88182

Parity: odd

Prime: No

Previous Prime: 88177

Next Prime: 88211

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 109 × 809

Divisors: 1, 109, 809, 88181

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101100001110101

Octal: 254165

Duodecimal: 43045

Hexadecimal: 15875

Square: 7775888761

Square Root: 296.952858211535

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

Least k such that k·prime(k) > 10ⁿ. A90977

Numbers k such that k and k² use only the digits 1, 5, 6, 7 and 8. A137060

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, -1), (-1, 0, 1), (1, -1, 1), (1, 0, -1), (1, 1, 1)}. A149628

a(n) is the first occurrence of a composite number whose factorization without exponents contains exactly n circular loops (i.e., loops in digits 0, 6, 8, 9) on each side of the equals sign. A329542

E.g.f.: 1/(1-sinh(x)-x). A88181

Number of nX5 0..1 arrays with each 1 adjacent to 0, 2 or 4 king-move neighboring 1s. A296722

Least prime p(k) such that k·p exceeds 10ⁿ. A306586