Properties of the Number 98142

Ninety-Eight Thousand One Hundred Forty-Two

Basics

Value: 98141 → 98142 → 98143

Parity: even

Prime: No

Previous Prime: 98129

Next Prime: 98143

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 11 × 1487

Divisors: 1, 2, 3, 6, 11, 22, 33, 66, 1487, 2974

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10111111101011110

Octal: 277536

Duodecimal: 48966

Hexadecimal: 17f5e

Square: 9631852164

Square Root: 313.2762359324435

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 n for which each of the digits 0-9 appears exactly once as first digit in the orbit of n under iterations of n -> (first digit of n)*(n with first digit removed) until a single digit is reached; no leading zeros allowed. A257299

Number of quadruples [i,j,k,l] with all entries between 1 and n such that gcd(i,j) = gcd(k,l). A124162

a(n+1) = a(n) + p, where p is the largest prime less than a(n); a(1) = 3. A285010

a(n) is the end square spiral number for a knight starting on square n moving on a board with squares numbered with the square of their distance from the 0-square origin and where the knight moves to the smallest numbered unvisited square; the smallest spiral number ordering is used if the distances are equal. A326931

Numbers n such that (p*(q-1)+(p-1)*q)/2 is prime, where p and q are consecutive odd primes, p<q and p_n is the n-th prime. A98142