Properties of the Number -9997

Nine Hundred Ninety-Seven

Basics

Value: -9998 → -9997 → -9996

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 34

Digital Root: 7

Palindrome: No

Factorization: 13 × 769

Divisors: 1, 13, 769, 9997

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: -10011100001101

Octal: -23415

Duodecimal: -5951

Hexadecimal: -270d

Square: 99940009

Square Root: 99.98499887483122

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

G.f.: ∏_k>=1 (1-prime(k)*x^prime(k)). A298159

Numbers k such that p(k), p(k)+6, p(k)+12, p(k)+18 are consecutive primes, where p(k) denotes k-th prime. A90832

Numbers in which 9 outnumbers all other digits together. A292739

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

Numbers n such that if p=prime(n), then p, p+6, p+12, p+18 are consecutive primes with p=6·k+5 for some k, where prime(n) denotes n-th prime. A90835

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

Number of unlabeled semitransitive orders on n elements: (1+3)-free posets. A79146

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