Properties of the Number 1673

One Thousand Six Hundred Seventy-Three

Basics

Value: 1672 → 1673 → 1674

Parity: odd

Prime: No

Previous Prime: 1669

Next Prime: 1693

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

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

Meandric numbers for a river (or directed line) crossing two perpendicular roads at n points, beginning in the (-,-) quadrant and ending in the (+,+) quadrant if n even, in the (+,-) quadrant if n odd. A76906

Expansion of 1/(1 - x - x⁴ + x⁶). A174522

a(n) = (n + 3)² - 8. A28884

a(n) = 11ⁿ + 7ⁿ - 1. A155658

Array t(n,k): row n consists of the positive integers m for which the least splitter of H(m) and H(m+1) is n, where H denotes harmonic number. A227631

Add/multiply sequence, see example. A93361

a(n) = 2·Farey(m; I) - 1 where m = Fibonacci (n + 1) and I = [1/n, 1]. A176502