Properties of the Number -51015

Fifty-One Thousand Fifteen

Basics

Value: -51016 → -51015 → -51014

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 12

Digital Root: 3

Palindrome: Yes

Factorization: 3 × 5 × 19 × 179

Divisors: 1, 3, 5, 15, 19, 57, 95, 179, 285, 537

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1100011101000111

Octal: -143507

Duodecimal: -25633

Hexadecimal: -c747

Square: 2602530225

Square Root: 225.8650039293383

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 are palindromic and divisible by 5. A43040

Palindromic numbers which are sum of consecutive squares. A180436

Palindromes with exactly 4 distinct prime factors. A46394

Palindromic numbers which can be written as the sum of two or more consecutive squares. A216446

Records in A073053 starting from a(1). A305395

Palindromes of the form n² + (n+1)² + (n+2)² + (n+3)² + (n+4)². A27580

a(n) = T(n) concatenated with reverse(T(n)) divided by 11, where T(n) is the n-th triangular number. A84008

Base-6 digits are, in order, the first n terms of the periodic sequence with initial period 1,0,3,2. A37683

Number of 4-element nondividing subsets of {1, 2, ..., n}. A187491

Palindromes which are the concatenation of 3 or more terms of an arithmetic sequence with nonzero difference. A62564