Properties of the Number -9999997

Nine Hundred Ninety-Nine Thousand Nine Hundred Ninety-Seven

Basics

Value: -9999998 → -9999997 → -9999996

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 61

Digital Root: 7

Palindrome: No

Factorization: 7 × 1428571

Divisors: 1, 7, 1428571, 9999997

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100110001001011001111101

Octal: -46113175

Duodecimal: -3423051

Hexadecimal: -98967d

Square: 99999940000009

Square Root: 3162.2771858266947

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

Numbers k such that k concatenated with k-5 gives the product of two numbers which differ by 6. A116125

a(n) = 10ⁿ - 3. A173833

Triangle read by rows: T(n, k) = 10^n-1 - 1 + k·floor(9·10^n-1/n), for 1 <= k <= n. A93846

Numbers k such that k*(k+4) gives the concatenation of a number m with itself. A116288

n times n+6 gives the concatenation of two numbers m and m-8. A116237

Numbers k such that k*(k+5) gives the concatenation of two numbers m and m-4. A116261

Largest n-digit multiple of n. A66557

Numbers k such that k² contains only digits {0,4,9}, not ending with zero. A58443

Largest n-digit number missing in first 10ⁿ digits after the decimal point in expansion of π. A260627

Largest n-digit number ending in n. A279913