Properties of the Number -340725

Three Hundred Forty Thousand Seven Hundred Twenty-Five

Basics

Value: -340726 → -340725 → -340724

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 ² × 7 × 11 × 59

Divisors: 1, 3, 5, 7, 11, 15, 21, 25, 33, 35

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: Yes

Heptagonal: No

Tetrahedral: No

Today's Target

4938 Try Today's Challenge

Representations

Binary: -1010011001011110101

Octal: -1231365

Duodecimal: -145219

Hexadecimal: -532f5

Square: 116093525625

Square Root: 583.7165407969865

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

Largest denominator used in the Egyptian fraction representation of 1-1/(2n+1) by the odd greedy expansion algorithm, without repeats. A287434

Triangular numbers which remain triangular when the most significant digit is moved to the end. A67269

Locations of records in A365196. A365239