Properties of the Number -1010101

Ten Thousand One Hundred One

Basics

Value: -1010102 → -1010101 → -1010100

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 4

Digital Root: 4

Palindrome: Yes

Factorization: 73 × 101 × 137

Divisors: 1, 73, 101, 137, 7373, 10001, 13837, 1010101

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -11110110100110110101

Octal: -3664665

Duodecimal: -408671

Hexadecimal: -f69b5

Square: 1020304030201

Square Root: 1005.037810234023

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

Representation of n in base of Fibonacci numbers (the Zeckendorf representation of n). Also, binary words starting with 1 not containing 11, with the word 0 added. A14417

Numbers whose square is a palindrome. A2778

Expansion of 1/((1-x)*(1-100·x)). A94028

Dual Zeckendorf representation of n or the maximal (binary) Fibonacci representation. Also list of binary vectors not containing 00. A104326

Palindromes only using 0 and 1 (i.e., base-2 palindromes). A57148

Alternate digits 1 and 0. A56830

Sums of 4 distinct powers of 10. A38446

The part of n in base φ left of the decimal point, using a greedy algorithm representation (more precisely, using the Bergman-canonical representation). A105424

Divisors of 99999999. A27890

Maximal (or "lazy") Lucas representation of n. Binary system for representing integers using Lucas numbers (A000032) as a base. A130311