Properties of the Number 9638

Nine Thousand Six Hundred Thirty-Eight

Basics

Value: 9637 → 9638 → 9639

Parity: even

Prime: No

Previous Prime: 9631

Next Prime: 9643

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 × 61 × 79

Divisors: 1, 2, 61, 79, 122, 158, 4819, 9638

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010110100110

Octal: 22646

Duodecimal: 56B2

Hexadecimal: 25a6

Square: 92891044

Square Root: 98.17331613019904

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

The number of even prime gaps g, satisfying g == 4 (mod 6), out of the first 2ⁿ even prime gaps. A341532

Number of fixed n-celled self-avoiding polygons on square lattice. A6724

Triangle read by rows: T(n,k) is the number of k-regular graphs on n unlabeled nodes with half-edges. A333161

Least number of Sort-then-add persistence n. A33863

Sorted positions of first appearances in A329867 (difference between the runs-resistance and the cuts-resistance of binary expansion) of each element in the image. A329868

Nonnegative integers n such that in balanced ternary representation the number of occurrences of each trit doubles when n is squared. A257867

Number of maximal matchings in the n-prism graph. A284703

a(n) is the least k > 0 such that A318928(k) = n. A319103

Least number of Sort-then-add persistence n. A33908

Number of Ramanujan primes R_k such that 2^n-1 < R_k <= 2ⁿ. A190501