Properties of the Number 74473

Seventy-Four Thousand Four Hundred Seventy-Three

Basics

Value: 74472 → 74473 → 74474

Parity: odd

Prime: No

Previous Prime: 74471

Next Prime: 74489

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 7 × 10639

Divisors: 1, 7, 10639, 74473

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10010001011101001

Octal: 221351

Duodecimal: 37121

Hexadecimal: 122e9

Square: 5546227729

Square Root: 272.8974166239028

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 k such that |2^k-993| is prime. A165779

Number of binary arrays indicating the locations of trailing edge maxima of a random length-n 0..4 array extended with zeros and convolved with 1,1,1. A222434

Indices of primes in the 9th-order Fibonacci number sequence, A127193. A256498

Expansion of e.g.f. ∏_k>=1 exp(-x^k) / (1 - x^k). A330201

Number of 4-sided regions in the Farey Diagram Farey(n,n), divided by 8. A358303

Dropping time for the 3x+1 problem: for n >= 2, number of iteration that first becomes smaller than the initial value if Collatz-function (A006370) is iterated starting at n; a(1)=1 by convention. A74473

Number of (n+2)X(5+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00000101. A259998