Properties of the Number 74189

Seventy-Four Thousand One Hundred Eighty-Nine

Basics

Value: 74188 → 74189 → 74190

Parity: odd

Prime: Yes

Previous Prime: 74177

Next Prime: 74197

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 74189

Divisors: 1, 74189

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010000111001101

Octal: 220715

Duodecimal: 36B25

Hexadecimal: 121cd

Square: 5504007721

Square Root: 272.3765775539446

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

Numerators in the resistance triangle: T(k,n)=b, where b/c is the resistance distance R(k,n) for k resistors in an n-dimensional cube. A212045

Number of cyclic permutations of length n avoiding the pattern 231 (equivalently, 312). A309506

Primes p such that p+-2 and p+-3 are not squarefree. A153214

a(1) = 1, a(2) = 2. For n > 2, a(n) is the least novel power of the greatest prime divisor of a(n-2) + a(n-1). A359874

Numbers k such that (61·10^k - 1)/3 is prime. A295395

Number of nX5 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally or antidiagonally. A232292

a(1) = 1, a(2) = 2; for n > 2, a(n) = {a(n-1) +a(n+1)}/n or a(n+1) = n·a(n)-a(n-1). A74189