Properties of the Number -10100101

Ten Million One Hundred Thousand One Hundred One

Basics

Value: -10100102 → -10100101 → -10100100

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 4

Digital Root: 4

Palindrome: Yes

Factorization: 11 × 101 × 9091

Divisors: 1, 11, 101, 1111, 9091, 100001, 918191, 10100101

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100110100001110110000101

Octal: -46416605

Duodecimal: -3470B71

Hexadecimal: -9a1d85

Square: 102012040210201

Square Root: 3178.065606622997

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

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

Vertically symmetrical dates DDMMYYYY excluding years which are divisible by 10, considered as numbers, in increasing order. A106605

Vertically symmetrical dates MMDDYYYY (American notation) excluding years which are divisible by 10, considered as numbers, in increasing order. A107273

Vertically symmetrical dates YYYYMMDD (metric convention) for years >=1000, considered as numbers, in increasing order which here is also the chronological order. A107275

Numbers whose cube is a palindrome. A2780

NegaFibonacci representation for -n. A215023

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

Numbers k such that k and k³ are both palindromes. A69748

Dates after Jan 01 1000 which are palindromic when they are written according to the ISO-8601-format YYYYMMDD. A210884

Smallest palindrome of each distinct decimal type (A002113) in increasing order. A264406