Properties of the Number -1673

Six Hundred Seventy-Three

Basics

Value: -1674 → -1673 → -1672

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 7 × 239

Divisors: 1, 7, 239, 1673

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11010001001

Octal: -3211

Duodecimal: -B75

Hexadecimal: -689

Square: 2798929

Square Root: 40.90232267243512

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) = 2²ⁿ⁺¹*cos(nA), where A is the angle opposite side BC in a triangle ABC having sidelengths |BC|=2, |CA| = 3, |AB| = 4; ABC is the smallest integer-sided scalene triangle. A375880

Triangle, read by rows, where T(n,k) is defined for n>=1, k=1..2·n-1, by a formula analogous to the second-order Eulerian triangle A008517. A219120

Coefficients of modular function G₄(τ). A5762

New tetradiagonal form matrix as triangular sequence from solution of : X(n,m)=Steinbach(n,m)^-1.tri-Antidiagonal₁(n,n). A124020

a(n) = 2+4·2ⁿ-3ⁿ. A135913

Expansion of x⁵/((1-x)*(1+x-x⁵)). A174532

Alternating sum of 10-gonal (or decagonal) pyramidal numbers. A269441

Numbers > 1000 such that all the substrings of length = 3 are primes (substrings with leading '0' are considered to be nonprime). A211684

RMS numbers: numbers n such that root mean square of divisors of n is an integer. A140480

Total number of toothpicks in the toothpick structure A139250 that are parallel to the initial toothpick, after n odd rounds. A162795