Properties of the Number -1238769

Two Hundred Thirty-Eight Thousand Seven Hundred Sixty-Nine

Basics

Value: -1238770 → -1238769 → -1238768

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 36

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 7 ² × 53 ²

Divisors: 1, 3, 7, 9, 21, 49, 53, 63, 147, 159

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100101110011011110001

Octal: -4563361

Duodecimal: -4B8A69

Hexadecimal: -12e6f1

Square: 1534548635361

Square Root: 1113

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

Non-palindromic squares which when written backwards remain square (and still have the same number of digits). A35090

Squares k such that k - 2 and k + 2 are prime. A144938

Squares of number of partitions into distinct parts. A304990

Odd squares k, multiples of 3 and non-multiples of 5, such that σ(k)/k >= 5/3. A388016

Squares k² such that reverse(k)² = reverse(k²), excluding squares of palindromes. A64021

Squares which have one or more occurrences of exactly seven different digits. A235722

Smith square numbers. A98839

a(n) = (n 1's followed by a 3)². A151997

Perfect squares with property that their digit reversal is a larger perfect square. A156316