Properties of the Number 74891

Seventy-Four Thousand Eight Hundred Ninety-One

Basics

Value: 74890 → 74891 → 74892

Parity: odd

Prime: Yes

Previous Prime: 74887

Next Prime: 74897

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 74891

Divisors: 1, 74891

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010010010001011

Octal: 222213

Duodecimal: 3740B

Hexadecimal: 1248b

Square: 5608661881

Square Root: 273.6622005319697

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 of the form 3·m² - 1. A89682

Primes of the form 12·n²-1. A143830

Primes p such that A272207(p) = p. A276030

a(n) = if Floor[(2*π/E)*m²] is prime then Floor[(2*π/E)*m²]. A90434

Numbers n such that σ(n) = φ(3n). A74891