Properties of the Number -68697

Sixty-Eight Thousand Six Hundred Ninety-Seven

Basics

Value: -68698 → -68697 → -68696

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 36

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 17 × 449

Divisors: 1, 3, 9, 17, 51, 153, 449, 1347, 4041, 7633

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

9108 Try Today's Challenge

Representations

Binary: -10000110001011001

Octal: -206131

Duodecimal: -33909

Hexadecimal: -10c59

Square: 4719277809

Square Root: 262.1011255221923

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 for which iteration of the powertrain map of A133500 takes a record number of steps to converge. A133503

Number of 2-Abelian equivalence classes of words of length n over an alphabet of size 3. A289658

a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n+1-k), where k = [ (n+1)/2 ], s = (Lucas numbers), t = (primes). A24478

Natural numbers written out with their digits grouped in sets of 5 (leading zeros omitted). A91341

Duplicate of A024478. A25090

a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = (Lucas numbers), t = (primes). A25098

Numbers k such that k | (σ(k-2) + σ(k-1) + σ(k+1) + σ(k+2)). A296027