Properties of the Number 74057

Seventy-Four Thousand Fifty-Seven

Basics

Value: 74056 → 74057 → 74058

Parity: odd

Prime: No

Previous Prime: 74051

Next Prime: 74071

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 103 × 719

Divisors: 1, 103, 719, 74057

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010000101001001

Octal: 220511

Duodecimal: 36A35

Hexadecimal: 12149

Square: 5484439249

Square Root: 272.13415809118857

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

a(n) = min { p +- q : p +- q > 1 and p·q = ∏_k=1..n-1 a(k) }. A3681

a(n) = floor(b(n)), where b(1) = 1 and b(n) = b(n-1) + ∑_k=1..n-1 b(k)/(n-1). A376995

a(n) = a(n-1) + a(n-2) + gcd(a(n-1), n), a(1) = a(2) = 1. A360884

a(n) = 2*φ(n-2)-(n-1). A74057