Properties of the Number 74391

Seventy-Four Thousand Three Hundred Ninety-One

Basics

Value: 74390 → 74391 → 74392

Parity: odd

Prime: No

Previous Prime: 74383

Next Prime: 74411

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 137 × 181

Divisors: 1, 3, 137, 181, 411, 543, 24797, 74391

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010001010010111

Octal: 221227

Duodecimal: 37073

Hexadecimal: 12297

Square: 5534020881

Square Root: 272.74713564032163

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

Centered pentagonal numbers which are products of three distinct primes. A364610

Numbers k such that sum of the divisors of k equals the sum of the reversals of the divisors of k. Numbers with all palindrome divisors are not in the sequence. A196677

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 1, 1), (0, 0, 1), (0, 1, -1), (1, 0, 0)}. A150109

Number of paths in B(n) that start with a u step and end with a d step. A247471

a(n) is the smallest number such that gcd(a(n), σ(a(n))) = n. A74391