Properties of the Number 89390

Eighty-Nine Thousand Three Hundred Ninety

Basics

Value: 89389 → 89390 → 89391

Parity: even

Prime: No

Previous Prime: 89387

Next Prime: 89393

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 × 5 × 7 × 1277

Divisors: 1, 2, 5, 7, 10, 14, 35, 70, 1277, 2554

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10101110100101110

Octal: 256456

Duodecimal: 43892

Hexadecimal: 15d2e

Square: 7990572100

Square Root: 298.98160478531116

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

Table read by antidiagonals: Place k points in general position on each side of a regular n-gon and join every pair of the n*(k+1) boundary points by a chord; T(n,k) (n >= 3, k >= 0) gives number of edges in the resulting planar graph. A367190

a(n) = ∑_k=0..n (k+1) * A026747(n, n-k). A27228

Number of evolutionary duplication-loss-histories of the complete binary species tree with 8 leaves. A307942

For n > 1, a(n) is the least composite number not already used such that the n-th partial sum is prime. A89390