Properties of the Number 88690

Eighty-Eight Thousand Six Hundred Ninety

Basics

Value: 88689 → 88690 → 88691

Parity: even

Prime: No

Previous Prime: 88681

Next Prime: 88721

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 2 × 5 × 7 ² × 181

Divisors: 1, 2, 5, 7, 10, 14, 35, 49, 70, 98

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101101001110010

Octal: 255162

Duodecimal: 433AA

Hexadecimal: 15a72

Square: 7865916100

Square Root: 297.80866340655706

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 n X 2 nonnegative integer arrays with upper left 0 and lower right n+2-4 and value increasing by 0 or 1 with every step right or down. A252870

Number of permutations of [n] avoiding {2143, 3412, 1234}. A294709

Numbers k such that 2^k-1*(2^k - 1) + 1 is prime (see A134169). A268692

E.g.f.: A(x) = f(x·A(x)), where f(x) = (1+x)*exp(x). A88690