Properties of the Number 77427

Seventy-Seven Thousand Four Hundred Twenty-Seven

Basics

Value: 77426 → 77427 → 77428

Parity: odd

Prime: No

Previous Prime: 77419

Next Prime: 77431

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 7 × 1229

Divisors: 1, 3, 7, 9, 21, 63, 1229, 3687, 8603, 11061

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010111001110011

Octal: 227163

Duodecimal: 38983

Hexadecimal: 12e73

Square: 5994940329

Square Root: 278.2570753817412

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

Smallest number whose ninth power has at least n digits. A130083

Numbers k such that (17·10^k - 47)/3 is prime. A286177

Array read by antidiagonals: T(n,k) is the number of noncrossing partitions up to rotation and reflection composed of n blocks of size k. A303929

Primitive period length of (regular) continued fraction of (sqrt(D(n))+1)/2 for D(n)=A077425(n). A77427