Properties of the Number -1250000

Two Hundred Fifty Thousand

Basics

Value: -1250001 → -1250000 → -1249999

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 8

Digital Root: 8

Palindrome: No

Factorization: 2 ⁴ × 5 ⁷

Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 25, 40

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100110001001011010000

Octal: -4611320

Duodecimal: -503468

Hexadecimal: -1312d0

Square: 1562500000000

Square Root: 1118.033988749895

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

Triangle read by rows: T(n,k)=(-1)^k*(2n/(2n-k))5^n-k*binomial(2n-k,k) (0<=k<=n, n>=1). A104064

Numbers of form 5ⁱ*10^j, with i, j >= 0. A25625

a(n) = ∏_i=0..8 floor((n+i)/9). A9714

a(n) = floor(10⁷/n). A33425

Numbers m such that the smallest digit in the decimal expansion of 1/m is k = 8, ignoring leading and trailing 0's. A352161

Expansion of (1-x)²/(1-5·x). A55842

Denominator of real part of (3·i - 1)^-n. A124870

Denominator of imaginary part of (3·i - 1)^-n. A124872

Mean integral quotients associated with A048753. A48754

a(n) = floor(10^n-1/n). A56159