Properties of the Number -1607

Six Hundred Seven

Basics

Value: -1608 → -1607 → -1606

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 1607

Divisors: 1, 1607

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -11001000111

Octal: -3107

Duodecimal: -B1B

Hexadecimal: -647

Square: 2582449

Square Root: 40.08740450565489

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(n) = A174817(n) - Mnr; where Mnr = A001228(26) = 808017424794512875886459904961710757005754368000000000, also called the Monster number, cf. A003131. A174818

Bond series for first parallel moment of hexagonal net. A120542

Values of n such that L(4) and N(4) are both prime, where L(k) = (n²+n+1)*2^2·k + (2·n+1)*2^k + 1, N(k) = (n²+n+1)*2^k + n. A226924

Coefficients in expansion of 1/(1 + x - 2·x⁵). A317509

Lesser of twin primes. A1359

Number of strict knapsack partitions of n. A275972

Initial members of prime triples (p, p+2, p+6). A22004

Prime triples: p; p+2 or p+4; p+6 all prime. A7529

Primes that become a different prime under the mapping 0 <=> 2. A180517

Primes that become a different prime under the mapping 7 <=> 9. A180559