Properties of the Number -101010101

One Hundred One Million Ten Thousand One Hundred One

Basics

Value: -101010102 → -101010101 → -101010100

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 5

Digital Root: 5

Palindrome: Yes

Factorization: 41 × 271 × 9091

Divisors: 1, 41, 271, 9091, 11111, 372731, 2463661, 101010101

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110000001010100101010110101

Octal: -601245265

Duodecimal: -299B2B05

Hexadecimal: -6054ab5

Square: 10203040504030201

Square Root: 10050.378152089603

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

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

Alternate digits 1 and 0. A56830

Integers written in base φ, with the "decimal point" omitted. A130600

Numbers of the form (10^m·r-1)/(10^r-1) for positive integers m, r. A76289

Palindromes formed from the reflected decimal expansion of the infinite concatenation of 1's and 0's. A147759

Pseudoprimes to base 3, written in base 3. A258189

Integers written in base φ, with the "decimal point" omitted. A130601

Binary representation of the n-th iteration of the "Rule 28" elementary cellular automaton starting with a single ON (black) cell. A266508

a(n) = n⁸ + n⁶ + n⁴ + n² + 1. A59839

Positions of nonzero coefficients in cyclotomic polynomial Phi_n(x), A063670 in binary. A63671