Properties of the Number 8373

Eight Thousand Three Hundred Seventy-Three

Basics

Value: 8372 → 8373 → 8374

Parity: odd

Prime: No

Previous Prime: 8369

Next Prime: 8377

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 2791

Divisors: 1, 3, 2791, 8373

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000010110101

Octal: 20265

Duodecimal: 4A19

Hexadecimal: 20b5

Square: 70107129

Square Root: 91.50409826887537

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

G.f.: ∏_j>=1 ∏_i>=1 (1 + x^i·j). A107742

a(n) = 4·n² - 10·n + 7. A54554

T(n,k)=Number of nondecreasing arrangements of n numbers x(i) in -(n+k-2)..(n+k-2) with the sum of sign(x(i))*x(i)² zero. A188002

Numbers k such that k⁴ can be written as a sum of four positive 4th powers with no common factor. A39664

Number of polyominoes consisting of 5 regular unit n-gons. A103471

Fill an array by antidiagonals upwards; in the top left cell enter a(0)=1; thereafter, in the n-th cell, enter the sum of the entries of those earlier cells that can be seen from that cell. A279212

Becomes prime after n iterations of f(x) = σ(x)-1 (least inverse of A039655). A39656

Semiprimes p such that next semiprime after p is p + 10. A217030

Square array T(n,k), n >= 1, k >= 1, read by antidiagonals downwards, where T(n,k) = ∑_j=1..n j·floor(n/j)^k. A350106

Numbers that match polynomials over {0,1} that have a factor containing 3 as a coefficient; see Comments. A208181