Properties of the Number 77671

Seventy-Seven Thousand Six Hundred Seventy-One

Basics

Value: 77670 → 77671 → 77672

Parity: odd

Prime: No

Previous Prime: 77659

Next Prime: 77681

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 11 × 23 × 307

Divisors: 1, 11, 23, 253, 307, 3377, 7061, 77671

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10010111101100111

Octal: 227547

Duodecimal: 38B47

Hexadecimal: 12f67

Square: 6032784241

Square Root: 278.695173980462

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

In the '3x+1' problem, these values for the starting value set new records for highest point of trajectory before reaching 1. A6884

Sum of terms of n-th row of A077321. A77324

For the Collatz (3x+1) iterations starting with the odd numbers k, a(n) is the smallest k such that the trajectory contains at least n successive odd numbers == 3 (mod 4). A213215

'3x+1' record-setters (blowup factor). A25587

Least number whose Collatz (3x+1) trajectory has a number greater than 10ⁿ. A222291

Least number whose Collatz 3x+1 trajectory contains a number >= 2ⁿ. A222292

Triangle read by rows, where t(n,1) = 1, t(n,m) = t(n,m-1) + (largest nonprime {1 or composite} in row {n-1}). A120853

Least m such that the Collatz (3x+1) iteration of m has exactly n increasing peak values. A221470

Least number k having Collatz (3x+1) sequence with exactly n pairs of odd and even numbers in a row. A222598

Strong pseudoprimes to base 93. A20319