Properties of the Number 85990

Eighty-Five Thousand Nine Hundred Ninety

Basics

Value: 85989 → 85990 → 85991

Parity: even

Prime: No

Previous Prime: 85933

Next Prime: 85991

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 2 × 5 × 8599

Divisors: 1, 2, 5, 10, 8599, 17198, 42995, 85990

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100111111100110

Octal: 247746

Duodecimal: 4191A

Hexadecimal: 14fe6

Square: 7394280100

Square Root: 293.2405156181526

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 integer partitions of n whose parts do not have the same mean as median. A359894

First 5-digit number to appear n times in the decimal expansion of π. A277171

a(n) = 168·2ⁿ - 26 (n>=1). A304384

a(n) = 4·a(n-1)-2·a(n-2)-3·a(n-3)+2·a(n-4), n>5. A107299

Number of topological types of polygons with 2n different sides. A85990

Numbers k such that A073259(k)=4: the length of iteration-transient leading to k-th composite number equals 4. A73439