Properties of the Number -404597

Four Hundred Four Thousand Five Hundred Ninety-Seven

Basics

Value: -404598 → -404597 → -404596

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 404597

Divisors: 1, 404597

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1100010110001110101

Octal: -1426165

Duodecimal: -176185

Hexadecimal: -62c75

Square: 163698732409

Square Root: 636.0793975597701

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

a(0)=2; for n>=1, a(n) = smallest prime p such that there is a gap of exactly 2n between p and next prime, or -1 if no such prime exists. A230

prime(k) for those k where floor((2*(prime(k+1)-prime(k))*PrimePi(k) mod (8·k))/k) = m with m = 15. A109569

Records in A000230. A133429

Smallest prime p such that there is a gap of exactly 2·prime(n) between p and the next prime. A80082

Increasing peaks in the prime gap sequence A000230. A86977

Primes P where the nearest prime is greater than 3·log(P) away. A330427

a(n) is the smallest prime q > a(n-1) such that, for the previous prime p and the following prime r, the fraction (q-p)/(r-q) has denominator prime(n) (or 0, if such a prime does not exist). A179328

a(n) is the smallest prime p such that the largest prime divisor of the difference nextprime(p) - p equals the n-th prime, prime(n). A81413

Least prime such that between it and the next prime there are exactly n semiprimes. A228171

Least prime p such that 2n can be written as the sum or absolute difference of p and the next prime, or -1 if no such prime exists. A363544