Properties of the Number 75777

Seventy-Five Thousand Seven Hundred Seventy-Seven

Basics

Value: 75776 → 75777 → 75778

Parity: odd

Prime: No

Previous Prime: 75773

Next Prime: 75781

Digit Sum: 33

Digital Root: 6

Palindrome: No

Factorization: 3 × 13 × 29 × 67

Divisors: 1, 3, 13, 29, 39, 67, 87, 201, 377, 871

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010100000000001

Octal: 224001

Duodecimal: 37A29

Hexadecimal: 12801

Square: 5742153729

Square Root: 275.27622490872693

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

Numbers having four 7's in base 10. A43520

a(n) = 74·n² + 1. A158742

Array read by rows: T(n,k) is the first number with n prime factors (counted with multiplicity) and n occurrences of decimal digit k. A375784

Expansion of (1-x)^-1/(1+2·x²-2·x³). A77891

a(1) = a(2) = 1. For n >=3, a(n) = the a(n-2)th integer, among those positive integers which are missing from the first (m-1) terms of the sequence, below a(n-1) if such a positive integer exists. Otherwise, a(n) = the a(n-2)th integer, among those positive integers which are missing from the first (m-1) terms of the sequence, above a(n-1). A118627

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 1, 1), (0, 0, 1), (0, 1, 1), (1, 0, -1)}. A150117

Numbers k such that (185·10^k + 7)/3 is prime. A281911

Minimal surface area of a rectangular solid with volume n and integer sides. A75777

Numbers k such that 7·R_k+2 - 2·10^k is prime, where R_k = 11...1 is the repunit (A002275) of length k. A257031