Properties of the Number -1737

Seven Hundred Thirty-Seven

Basics

Value: -1738 → -1737 → -1736

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 193

Divisors: 1, 3, 9, 193, 579, 1737

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11011001001

Octal: -3311

Duodecimal: -1009

Hexadecimal: -6c9

Square: 3017169

Square Root: 41.677331968349414

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

Odd numbers of the form p^1+4k * r², where p is prime of the form 1+4m, r > 1, and gcd(p,r) = 1. (Euler's criteria for odd perfect numbers). A228058

a(n) = (1/n²) * ∑_k=0..n-1 (2k+1)*S(k,n)², where S(k,x) denotes the polynomial ∑_j=0..k binomial(k,j)*binomial(x,j)*binomial(x+j,j). A260667

a(n) is the coefficient of xⁿ in the polynomial given by ∏_k>=1 (1 + prime(k)*x^k). A147655

Expansion of 1/(1 - x + x² - x³ - x⁶ + x⁷ - x⁸ + x⁹ - x¹⁰ + x¹¹ - x¹² -x¹⁵ + x¹⁶ - x¹⁷ + x¹⁸). A173911

Number of multisets summing to n that are the first sums of some nonempty multiset. A390446

Pinwheel numbers: a(n) = 2·n² + 6·n + 1. A59993

a(n) = least positive k such that Mordell's equation y² = x³ + k has exactly n integral solutions. A179162

Number of ordered pairs (i,j), 0 <= i,j < n, for which (i & j) is nonzero, where & is the bitwise AND operator. A80572

Numbers where 7 outnumbers any other digit. A292457

Numbers k whose largest divisor <= sqrt(k) equals 9. A162529