Properties of the Number 74143

Seventy-Four Thousand One Hundred Forty-Three

Basics

Value: 74142 → 74143 → 74144

Parity: odd

Prime: Yes

Previous Prime: 74131

Next Prime: 74149

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 74143

Divisors: 1, 74143

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010000110011111

Octal: 220637

Duodecimal: 36AA7

Hexadecimal: 1219f

Square: 5497184449

Square Root: 272.29212254488743

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

Larger of emirp pairs that are merely reversals of their end digits. A263242

A transform of the Fibonacci numbers. A141342

Take A000040, omit commas: 23571113171923..., select 5-digit primes seen when scanning from left. A73038

Digits of the Copeland-Erdős constant taken in groups of five digits. A304652

a(1) = 1; a(n) = n * ∑_k=1..n-1 a(k). A74143