Properties of the Number 77425

Seventy-Seven Thousand Four Hundred Twenty-Five

Basics

Value: 77424 → 77425 → 77426

Parity: odd

Prime: No

Previous Prime: 77419

Next Prime: 77431

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 5 ² × 19 × 163

Divisors: 1, 5, 19, 25, 95, 163, 475, 815, 3097, 4075

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010111001110001

Octal: 227161

Duodecimal: 38981

Hexadecimal: 12e71

Square: 5994630625

Square Root: 278.25348155953054

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

σ(n) + φ(n) is a fourth power. A114068

Number of binary strings of length n with equal numbers of 00000 and 00010 substrings. A164179

a(n) == 1 (mod 4) (see A016813), but not a square (i.e., not in A000290). A77425