Properties of the Number 74305

Seventy-Four Thousand Three Hundred Five

Basics

Value: 74304 → 74305 → 74306

Parity: odd

Prime: No

Previous Prime: 74297

Next Prime: 74311

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 5 × 7 × 11 × 193

Divisors: 1, 5, 7, 11, 35, 55, 77, 193, 385, 965

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: Yes

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10010001001000001

Octal: 221101

Duodecimal: 37001

Hexadecimal: 12241

Square: 5521233025

Square Root: 272.58943486496315

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

Terms of A324315 (squarefree integers m > 1 such that if prime p divides m, then the sum of the base p digits of m is at least p) that are also hexagonal numbers (A000384) with index equal to their largest prime factor. A324319

a(n) = A000217(A000041(n)). A86737

Intersection of A099011 and A327651. A327652

The first of two consecutive triangular numbers the sum of which is equal to the sum of two consecutive prime numbers. A298462

Number of (i,j,k) in {1,2,...,n}³ such that gcd(n,i) = gcd(n,j) = gcd(n,k). A338997

Hexagonal numbers (A000384) in which parity of digits alternates. A297645

Largest triangular number less than or equal to sum of previous terms with a(0)=1. A61883

Terms of A073872 that do not change their position in the rearrangement; i.e., values of A073872(n) which equal n(n+1)/2. A73873

1/16 the number of (n+1) X 2 0..3 arrays with all 2 X 2 subblocks having the same four values. A184031

Total number of parts in all symmetric m-color cyclic compositions of n (that is, the total number of parts in all achiral cyclic compositions of n where a part with size m can be colored with one of m colors). A307415