Properties of the Number -68888

Sixty-Eight Thousand Eight Hundred Eighty-Eight

Basics

Value: -68889 → -68888 → -68887

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 38

Digital Root: 2

Palindrome: No

Factorization: 2 ³ × 79 × 109

Divisors: 1, 2, 4, 8, 79, 109, 158, 218, 316, 436

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7989 Try Today's Challenge

Representations

Binary: -10000110100011000

Octal: -206430

Duodecimal: -33A48

Hexadecimal: -10d18

Square: 4745556544

Square Root: 262.465235793238

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

Smallest positive number using exactly n segments on a calculator display (when '6' and '7' are represented using 6 resp. 3 segments). A216261

Least positive integer whose decimal digits divide the plane into n regions (A249572 variant). A250256

a(n) = 3·a(n-1) + 5 with a(0) = 1. A116952

Where record values occur in A010371. A143617

Smallest positive number that needs more lines when shown on a 7-segment display (digital clock) than any previous term. A38619

Least nonnegative integer whose decimal digits divide the plane into n regions (A250257 variant). A250258

Numbers having four 8's in base 10. A43524

a(n) is the smallest positive number m not yet in the sequence with the property that the sum of the even digits of m and the sum of the odd digits of m differ by n. A341011

Numbers k such that k and k² use only the digits 4, 5, 6, 7 and 8. A137140

a(n) is the first occurrence of n in sequence A209266. A211389