Properties of the Number -100111001

One Hundred Million One Hundred Eleven Thousand One

Basics

Value: -100111002 → -100111001 → -100111000

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 5

Digital Root: 5

Palindrome: Yes

Factorization: 100111001

Divisors: 1, 100111001

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -101111101111001001010011001

Octal: -575711231

Duodecimal: -2963A735

Hexadecimal: -5f79299

Square: 10022212521222001

Square Root: 10005.54851070145

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

Primes whose greatest digit is 1. A20449

Primes whose decimal representation also represents a prime in base 2. A89971

Palindromic primes in base 2 (written in base 2). A117697

Tetradic primes (primes in A006072). A68188

Palindromic primes with digit sum 5. A70247

Palindromic primes containing digits 0 and 1 only. (Palindromic terms in A020449.) A100580

Primes p such that p² is a palindromic square. A65378

Positive numbers n such that n and φ(n) contain digits 0 and 1 only. A203304

Binary Gleichniszahlen-Reihe (BGR) sequence: describe previous term (cf. A005150), reduce number of digits seen mod 2 (then for the purposes of this data-base, discard leading zeros). A45998

Erroneous version of A134998. A48662