Properties of the Number -1000000

Basics

Value: -1000001 → -1000000 → -999999

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 1

Digital Root: 1

Palindrome: No

Factorization: 2 ⁶ × 5 ⁶

Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 25, 32

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11110100001001000000

Octal: -3641100

Duodecimal: -402854

Hexadecimal: -f4240

Square: 1000000000000

Square Root: 1000

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: Yes

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

Powers of 10: a(n) = 10ⁿ. A11557

Sixth powers: a(n) = n⁶. A1014

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

Binary vectors not containing three consecutive 1's; or, representation of n in the tribonacci base. A278038

If n = 2^a * 3^b * 5^c * 7^d * ... then a(n) = a + 10·b + 100·c + 1000·d + ... . A54841

Smallest number whose cube has n digits. A18005

Total number of subsets of the n-th roots of 1 that add to zero. A103314

Powers of cube root of 10 rounded to nearest integer. A18004

Array read by upward antidiagonals: Niven (or Harshad) numbers arranged in rows by their digit sums. A245062

Powers of cube root of 10 rounded down. A18003