Properties of the Number -129109

One Hundred Twenty-Nine Thousand One Hundred Nine

Basics

Value: -129110 → -129109 → -129108

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 41 × 47 × 67

Divisors: 1, 41, 47, 67, 1927, 2747, 3149, 129109

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -11111100001010101

Octal: -374125

Duodecimal: -62871

Hexadecimal: -1f855

Square: 16669133881

Square Root: 359.3174084288152

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

Inrepfigit (INverse REPetitive FIbonacci-like diGIT) numbers (or Htiek numbers). A128546

Consider the digit reverse of a number x. Take the sum of these digits and repeat the process deleting the first addend and adding the previous sum. The sequence lists the numbers that after some iterations reach a sum equal to x. A289868