Properties of the Number 75449

Seventy-Five Thousand Four Hundred Forty-Nine

Basics

Value: 75448 → 75449 → 75450

Parity: odd

Prime: No

Previous Prime: 75437

Next Prime: 75479

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 11 × 19 ³

Divisors: 1, 11, 19, 209, 361, 3971, 6859, 75449

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010011010111001

Octal: 223271

Duodecimal: 377B5

Hexadecimal: 126b9

Square: 5692551601

Square Root: 274.67981360121826

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

Partitions with subdiagonal growth: number of partitions (p0, p1, p2, ...) of n with π - p0 <= i. A238876

Composite numbers whose exponents in their canonical factorization lie in the geometric progression 1, 3, 9, ... A102838

Composite numbers whose prime factors contain no digits other than 1 and 9. A36309

a(n) is the (n-1)-st frugal number in base n. A379539

Numbers k such that k | 11^k + 10^k + 9^k + 8^k. A57240

Numbers k such that ω(k) = 4 and p^ω(k) < k^1/4 < lpf(k)^ω(k+1) for all primes p | k such that p > lpf(k), where lpf = A020639(k). A383178

Numbers k such that A075443(k) == 0 (mod A000010(k)). A75449

Values X satisfying the equation 3(X-Y)⁴-16XY=0, where X>=Y. A123336