Properties of the Number 74449

Seventy-Four Thousand Four Hundred Forty-Nine

Basics

Value: 74448 → 74449 → 74450

Parity: odd

Prime: Yes

Previous Prime: 74441

Next Prime: 74453

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 74449

Divisors: 1, 74449

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10010001011010001

Octal: 221321

Duodecimal: 37101

Hexadecimal: 122d1

Square: 5542653601

Square Root: 272.85344051340087

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

Primes containing the string 444. A166582

Primes p such that p*(p-2) divides 2^p-1-1. A81762

Primes having only {4, 7, 9} as digits. A261183

Numbers n such that (n-1)²-1 divides 2^n-1-1. A260406

Odd integers k such that 2^(k-1/2) == 1 (mod k*(k-2)). A337846

Primes of the form x² + 18480·y². A173274

a(n) = 11·Fibonacci(n+3) + Fibonacci(n-8) with n>=0. A282465

Number of 4-ary Lyndon words of length n over GF(4) with trace 1 and subtrace 1. A74449

Indices of primes in sequence defined by A(0) = 79, A(n) = 10·A(n-1) - 41 for n > 0. A101142

Numbers k such that 7·10^k + 4·R_k + 5 is prime, where R_k = 11...1 is the repunit (A002275) of length k. A103059