Properties of the Number 87164

Eighty-Seven Thousand One Hundred Sixty-Four

Basics

Value: 87163 → 87164 → 87165

Parity: even

Prime: No

Previous Prime: 87151

Next Prime: 87179

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 7 × 11 × 283

Divisors: 1, 2, 4, 7, 11, 14, 22, 28, 44, 77

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10101010001111100

Octal: 252174

Duodecimal: 42538

Hexadecimal: 1547c

Square: 7597562896

Square Root: 295.2354992205375

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

T(n,k)=Number of (n+1) X (k+1) 0..2 arrays with the maximum plus the upper median plus the minimum of every 2 X 2 subblock differing from its horizontal and vertical neighbors by exactly one. A237412

Integers n such that for all i > n the largest prime factor of product(i+k, {k,0,12}) exceeds the largest prime factor of product(n+k, {k,0,12}). A200570

Fourth column of A008296. A345651

Number of (n+1) X (1+1) 0..2 arrays with the maximum plus the upper median plus the minimum of every 2 X 2 subblock differing from its horizontal and vertical neighbors by exactly one. A237405

Number of (n+1) X (6+1) 0..2 arrays with the maximum plus the upper median plus the minimum of every 2 X 2 subblock differing from its horizontal and vertical neighbors by exactly one. A237410

Numbers k such that k and k+1 both have the prime signature (2,1,1,1) (A189982). A336658

Numbers n such that n·A007954(n) contains the same distinct digits as n. A248039

Records in A087162: A087162(a(n))=n. A87164