Properties of the Number 98640

Ninety-Eight Thousand Six Hundred Forty

Basics

Value: 98639 → 98640 → 98641

Parity: even

Prime: No

Previous Prime: 98639

Next Prime: 98641

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 ⁴ × 3 ² × 5 × 137

Divisors: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11000000101010000

Octal: 300520

Duodecimal: 49100

Hexadecimal: 18150

Square: 9729849600

Square Root: 314.0700558792576

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

Numbers on the square spiral board that are enclosed by four primes. A341542

Number of (w,x,y,z) with all terms in {1,...,n} and 3w>=x+y+z+n. A212250

Sequence of the "Natural Jewels": a natural jewel is a number that is totally enclosed by prime numbers in a version of Ulam Spiral. A172294

a(n) = 2*(n-1)*(n² + 1). A71233

Numbers whose square can be expressed as a+b·c, with a,b,c in geometric sequence. A130733

a(n) = 2^p + 1 where p is the n-th prime. A98640

Numbers k with at least one nonpalindromic divisor such that the sum of σ(d) = the sum of σ(reverse(d)), where d runs over the divisors of k. A247826

Sixth Lie-Betti number of a path graph on n vertices. A364946