Properties of the Number 77385

Seventy-Seven Thousand Three Hundred Eighty-Five

Basics

Value: 77384 → 77385 → 77386

Parity: odd

Prime: No

Previous Prime: 77383

Next Prime: 77417

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 × 7 × 11 × 67

Divisors: 1, 3, 5, 7, 11, 15, 21, 33, 35, 55

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010111001001001

Octal: 227111

Duodecimal: 38949

Hexadecimal: 12e49

Square: 5988438225

Square Root: 278.18159536532966

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

Odd unitary abundant numbers. A129485

Odd squarefree abundant numbers. A112643

Primitive, odd, squarefree abundant numbers. A249263

a(n) = least k such that 2·i*k - 1 is prime for 1 <= i <= n. A124492

Odd numbers k such that A360522(k) > 2·k. A360526

Odd non-coreful abundant numbers: the odd terms of A308127. A339938

Odd modified exponential abundant numbers: odd numbers k such that A241405(k) > 2·k. A379031

Numbers k such that 2·k-1, 4·k-1, 6·k-1, 8·k-1 and 10·k-1 are primes. A124488

Numbers k such that 2·k-1, 4·k-1, 6·k-1, 8·k-1, 10·k-1 and 12·k-1 are primes. A124489

Triangle read by rows in which n-th row contains 2n-1 terms starting from n⁰ to n^n-1 in increasing order and then in decreasing order to n⁰. A77385