Properties of the Number 88004

Eighty-Eight Thousand Four

Basics

Value: 88003 → 88004 → 88005

Parity: even

Prime: No

Previous Prime: 88003

Next Prime: 88007

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 7 ² × 449

Divisors: 1, 2, 4, 7, 14, 28, 49, 98, 196, 449

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10101011111000100

Octal: 253704

Duodecimal: 42B18

Hexadecimal: 157c4

Square: 7744704016

Square Root: 296.65468140583926

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

a(n) = ∑_k=1..n-1 sigma₃(k)*sigma₅(n-k). A279888

"Truncated Mertens function": values of -1 at primes are left out, that is, summatory Moebius when argument runs through nonprimes. A88004

Number of nX7 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 1 0 0 vertically. A207716