Properties of the Number -1212415

Two Hundred Twelve Thousand Four Hundred Fifteen

Basics

Value: -1212416 → -1212415 → -1212414

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 5 × 242483

Divisors: 1, 5, 242483, 1212415

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -100100111111111111111

Octal: -4477777

Duodecimal: -4A5767

Hexadecimal: -127fff

Square: 1469950132225

Square Root: 1101.0971800890238

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

In the '3x+1' problem, these values for the starting value set new records for highest point of trajectory before reaching 1. A6884

Antidiagonal sums of the convolution array A213566. A213570

'3x+1' record-setters (blowup factor). A25587

Least number whose Collatz (3x+1) trajectory has a number greater than 10ⁿ. A222291

Least number whose Collatz 3x+1 trajectory contains a number >= 2ⁿ. A222292

a(n) = 37·2^n-1-1. A171390

a(n) = 2·a(n-1) + 1 for a(n-1) not prime, otherwise a(n) = prime(n) - 1; with a(1) = 147. A375155