Properties of the Number -68681

Sixty-Eight Thousand Six Hundred Eighty-One

Basics

Value: -68682 → -68681 → -68680

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 173 × 397

Divisors: 1, 173, 397, 68681

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -10000110001001001

Octal: -206111

Duodecimal: -338B5

Hexadecimal: -10c49

Square: 4717079761

Square Root: 262.070601174569

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

Partial sums of A299268. A299269

Number of numerical semigroups with Frobenius number n; that is, numerical semigroups for which the largest integer not belonging to them is n. A124506

Main diagonal of array in A083140. A83141

Number of arrays of median of three adjacent elements of some length-5 0..n array, with no adjacent equal elements in the latter. A229013

Semiprimes formed by concatenating n, n, and 1 for n = 1, 2, 3,.... A210711

Sequence of traces arising in study of Thue-Morse sequence. A201170

Numbers k such that 413·2^k+1 is prime. A323106