Properties of the Number -100020001

One Hundred Million Twenty Thousand One

Basics

Value: -100020002 → -100020001 → -100020000

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 4

Digital Root: 4

Palindrome: Yes

Factorization: 73 ² × 137 ²

Divisors: 1, 73, 137, 5329, 10001, 18769, 730073, 1370137, 100020001

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101111101100010111100100001

Octal: -575427441

Duodecimal: -295B5B41

Hexadecimal: -5f62f21

Square: 10004000600040001

Square Root: 10001

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

Palindromic squares. A2779

a(n) = (10ⁿ + 1)². A33934

Squares whose largest decimal digit is 2. A277946

Palindromic perfect powers. A75786

Squares composed of digits {0,1,2}, not ending with zero. A58412

Palindromes whose square root is a palindrome. A57136

a(n) = smallest n-digit number with exactly n divisors, or 0 if no such number exists. A70844

Write n in binary then square as if written in base 10. A63009

Smallest nontrivial (no trailing zeros) n-digit square with minimum digit sum. A69667

Numbers k whose base-10 digits can be split into two parts, q and r, with k = (q-r)². A228103