Properties of the Number 75477

Seventy-Five Thousand Four Hundred Seventy-Seven

Basics

Value: 75476 → 75477 → 75478

Parity: odd

Prime: No

Previous Prime: 75437

Next Prime: 75479

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 139 × 181

Divisors: 1, 3, 139, 181, 417, 543, 25159, 75477

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010011011010101

Octal: 223325

Duodecimal: 37819

Hexadecimal: 126d5

Square: 5696777529

Square Root: 274.7307773075307

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

Number of iteration that first becomes smaller than the initial value if Collatz-function (A006370) is iterated, starting with numbers of form 64n+15. Corresponds to selection of every 16th term from A074474. A75477

Two-column array A(n, k) read by rows, where A(n, 1) and A(n, 2) respectively give values of q and p in the n-th double Wieferich prime pair, where p > q. Terms sorted first by increasing size of p, then by increasing size of q. A282293