Properties of the Number 74431

Seventy-Four Thousand Four Hundred Thirty-One

Basics

Value: 74430 → 74431 → 74432

Parity: odd

Prime: No

Previous Prime: 74419

Next Prime: 74441

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 7 ⁴ × 31

Divisors: 1, 7, 31, 49, 217, 343, 1519, 2401, 10633, 74431

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010001010111111

Octal: 221277

Duodecimal: 370A7

Hexadecimal: 122bf

Square: 5539973761

Square Root: 272.8204537786711

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) = n*(5·n² - 3)/2. A63522

Triangle read by rows: Stirling2 triangle with scaled diagonals (powers of 7). A75502

Triangle read by rows in which row n lists n+1 terms, starting with n⁵ and ending with n⁶, such that the difference between successive terms is equal to n⁵ - n⁴. A163285

Numbers m > 1 such that every prime divisor p of m satisfies s_p(m) = p. A324458

Number of partitions into non-integral powers. A158

A bisection of A063522. A160674

Composite numbers k such that for all primes p dividing k, p-1 divides k-1 and p+1 divides k+1. A304291

From a definite integral. A2570

Second column of triangle A075502. A75921

Numbers k such that k has at least two distinct prime factors and if a prime p divides k then (p-1) | (k-1) and (p+1) | (k+1). A79543