Properties of the Number 51380

Fifty-One Thousand Three Hundred Eighty

Basics

Value: 51379 → 51380 → 51381

Parity: even

Prime: No

Previous Prime: 51361

Next Prime: 51383

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 5 × 7 × 367

Divisors: 1, 2, 4, 5, 7, 10, 14, 20, 28, 35

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1100100010110100

Octal: 144264

Duodecimal: 25898

Hexadecimal: c8b4

Square: 2639904400

Square Root: 226.6715685744465

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 k such that 2^k + k + 1 is prime. A100359

Generalized Stirling number triangle of first kind read by rows: T(n, k) = [x^k] ∏_m=1..n (x - m - r), with r = 8. A51380