Properties of the Number 885

Eight Hundred Eighty-Five

Basics

Value: 884 → 885 → 886

Parity: odd

Prime: No

Previous Prime: 883

Next Prime: 887

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 × 59

Divisors: 1, 3, 5, 15, 59, 177, 295, 885

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 1101110101

Octal: 1565

Duodecimal: 619

Hexadecimal: 375

Square: 783225

Square Root: 29.748949561287034

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) = n*(4·n-1). A33991

Number of compositions (ordered partitions) of n that are concave-down sequences. A70211

Fourth spoke of a hexagonal spiral. A56108

Number of series-reduced rooted trees whose leaves are integer partitions whose multiset union is an integer partition of n. A319312

Even triangular numbers halved. A74378

The main column of a version of the square spiral. A156859

Products of exactly three distinct odd primes. A46389

Coordination sequence of Dual(3.12.12) tiling with respect to a trivalent node. A298035

Number of partitions of n into distinct double-free parts. A120641

a(n) = n*(n + 1)*(n² - 3·n + 5)/6. A6484