Properties of the Number -105111

One Hundred Five Thousand One Hundred Eleven

Basics

Value: -105112 → -105111 → -105110

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 9

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 17 × 229

Divisors: 1, 3, 9, 17, 27, 51, 153, 229, 459, 687

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -11001101010010111

Octal: -315227

Duodecimal: -509B3

Hexadecimal: -19a97

Square: 11048322321

Square Root: 324.2082663967716

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

Triangular numbers whose sum of divisors is also a triangular number. A83674

Number of dissimilar ternary squarefree words of length n+1. A60688

Triangular numbers m such that A040115(m) is also triangular. A87597

Smallest nonzero n-digit term of A087597, or 0 if no such number exists. A87599

Number of Tom graphs with n vertices. A331693

Smallest triangular number ending in n ones. A227218

The Roman numerals, with "i" replaced by "1", "v" replaced by "5", "x" replaced by 10, etc. A93788

Triangular numbers for which the sum of the digits is a square. A117404

Triangular numbers composed of digits {0,1,5}. A119039

Smallest triangular number containing exactly n 1's. A36518