Properties of the Number 51020

Fifty-One Thousand Twenty

Basics

Value: 51019 → 51020 → 51021

Parity: even

Prime: No

Previous Prime: 51001

Next Prime: 51031

Digit Sum: 8

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 5 × 2551

Divisors: 1, 2, 4, 5, 10, 20, 2551, 5102, 10204, 12755

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100011101001100

Octal: 143514

Duodecimal: 25638

Hexadecimal: c74c

Square: 2603040400

Square Root: 225.8760722166029

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 that can be written as the product of two divisors greater than 1 such that the number is contained in the string concatenation of the divisors. A355790

Numbers n which appear at least twice in A037278(n), concatenation of their divisors written in base 10. A248323

Number of nX6 0..1 arrays with no element equal to more than two of its horizontal, diagonal or antidiagonal neighbors and with new values introduced in order 0 sequentially upwards. A281467

Numbers that are 4-persistent but not 5-persistent. A51020

Numbers that appear in the concatenation in decreasing order of their aliquot parts. A306303