Properties of the Number 68653

Sixty-Eight Thousand Six Hundred Fifty-Three

Basics

Value: 68652 → 68653 → 68654

Parity: odd

Prime: No

Previous Prime: 68639

Next Prime: 68659

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 13 × 5281

Divisors: 1, 13, 5281, 68653

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10000110000101101

Octal: 206055

Duodecimal: 33891

Hexadecimal: 10c2d

Square: 4713234409

Square Root: 262.01717500957835

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

Becomes prime or 4 after exactly 10 iterations of f(x) = sum of prime factors of x. A48132

Difference between largest number of complexity n in the sense of A005245 and smallest number of complexity n in the sense of A005245. A133374

Triangle read by rows: row n contains sequence S_n = [s(1), ..., s(n)] where s(1) is the least semiprime pq such that the recurrence s(i+1) = sum of two prime factors of s(i) generates a chain of exactly n semiprimes. A171095

a(n) is the first semiprime that starts a sequence of n distinct semiprimes under the map A001414. A345407

Composite numbers such that every cyclic shift (other than the number itself) gives a prime. A68653

Number of (n+2)X6 binary arrays avoiding patterns 001 and 100 in rows and columns. A202313