Properties of the Number 74387

Seventy-Four Thousand Three Hundred Eighty-Seven

Basics

Value: 74386 → 74387 → 74388

Parity: odd

Prime: No

Previous Prime: 74383

Next Prime: 74411

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 73 × 1019

Divisors: 1, 73, 1019, 74387

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10010001010010011

Octal: 221223

Duodecimal: 3706B

Hexadecimal: 12293

Square: 5533425769

Square Root: 272.73980274246736

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

Expansion of g.f.: 1/∑_{p odd prime} x^p (odd powers only). A352479

Number of (n+1) X (4+1) 0..2 arrays with every 2 X 2 subblock summing to 4 and no 2 X 2 subblock having exactly two nonzero entries. A251145

T(n,k) = Number of (n+1) X (k+1) 0..2 arrays with every 2 X 2 subblock summing to 4 and no 2 X 2 subblock having exactly two nonzero entries. A251149

Duplicate of A008848. A74387