Properties of the Number 87542

Eighty-Seven Thousand Five Hundred Forty-Two

Basics

Value: 87541 → 87542 → 87543

Parity: even

Prime: No

Previous Prime: 87541

Next Prime: 87547

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 × 7 × 13 ² × 37

Divisors: 1, 2, 7, 13, 14, 26, 37, 74, 91, 169

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101010111110110

Octal: 252766

Duodecimal: 427B2

Hexadecimal: 155f6

Square: 7663601764

Square Root: 295.8749735952671

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 ways to reciprocally link elements of an n X k array either to themselves or to exactly two king-move neighbors. A220595

a(n) = n·p(n)-spt(n) (= n·A000041(n) - A092269(n)). A220907

Arrange digits of cubes in descending order. A32554

Total sum of composite parts in all partitions of n. A326982

Number of n X 1 1..4 arrays with no element with value z exactly a city block distance of z from another element with value z. A210781

Number of ways to reciprocally link elements of an nX3 array either to themselves or to exactly two king-move neighbors. A220591

Number of ways to reciprocally link elements of an nX5 array either to themselves or to exactly two king-move neighbors. A220593

T(2n,n+1), T given by A026758. A26872

a(0) = 1, a(1) = 3, a(n) = smallest prime beginning with the product of two previous terms. A87542