Properties of the Number 68751

Sixty-Eight Thousand Seven Hundred Fifty-One

Basics

Value: 68750 → 68751 → 68752

Parity: odd

Prime: No

Previous Prime: 68749

Next Prime: 68767

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 7639

Divisors: 1, 3, 9, 7639, 22917, 68751

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10000110010001111

Octal: 206217

Duodecimal: 33953

Hexadecimal: 10c8f

Square: 4726700001

Square Root: 262.2041189607822

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

Trimorphic numbers: n³ ends with n. Also m-morphic numbers for all m > 5 such that m-1 is not divisible by 10 and m == 3 (mod 4). A33819

(2·16^5ⁿ + (10ⁿ)/2 - 1) mod 10ⁿ: a sequence of trimorphic numbers ending (for n > 1) in 1. A224476

Numbers n with k digits such that n² == 1 (mod 10^k). A181607

Trimorphic but not bimorphic nor automorphic. A56032

Numbers k such that product of divisors of k ends with k and k is nonprime (A018252). A278473

Number of potential flows in n X n array with integer velocities in -4..4, i.e., number of n X n arrays with adjacent elements differing by no more than 4, counting arrays differing by a constant only once. A68751