Properties of the Number 74571

Seventy-Four Thousand Five Hundred Seventy-One

Basics

Value: 74570 → 74571 → 74572

Parity: odd

Prime: No

Previous Prime: 74567

Next Prime: 74573

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 7 × 53 × 67

Divisors: 1, 3, 7, 21, 53, 67, 159, 201, 371, 469

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10010001101001011

Octal: 221513

Duodecimal: 371A3

Hexadecimal: 1234b

Square: 5560834041

Square Root: 273.07691224268666

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

Triangle read by rows: T(0,0)=1; for n >= 1 T(n,k) is the coefficient of x^k in the monic characteristic polynomial of the tridiagonal n X n matrix with main diagonal 5,5,5,... and sub- and superdiagonals 1,1,1,... (0 <= k <= n). A123967

Least number having n orderless representations as p² + q² + r², where p, q, and r are primes. A214512

a(n) = 169·n² + 2·n. A158220

Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 13. A31691

a(n) = 5ⁿ + 6ⁿ + 7ⁿ. A74571

Triangle T(n,k) read by rows: coefficient of [x^k] of the polynomial p_n(x)=(5-x)*p_n-1(x)-p_n-2(x), p₀=1, p₁=5-x. A179900