Properties of the Number -148785

One Hundred Forty-Eight Thousand Seven Hundred Eighty-Five

Basics

Value: -148786 → -148785 → -148784

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 33

Digital Root: 6

Palindrome: No

Factorization: 3 × 5 × 7 × 13 × 109

Divisors: 1, 3, 5, 7, 13, 15, 21, 35, 39, 65

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: Yes

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100100010100110001

Octal: -442461

Duodecimal: -72129

Hexadecimal: -24531

Square: 22136976225

Square Root: 385.7265871054263

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

a(n) = (2·n-1)*(13·n²-13·n+6)/6. A63493

Number of meaningful differential operations of the n-th order on the space R⁹. A90994

The first of two consecutive triangular numbers the sum of which is equal to the sum of two consecutive prime numbers. A298462

Pyramidal centered square numbers. A237516

The number of binary pattern classes in the (2,n)-rectangular grid with 6 '1's and (2n-6) '0's: two patterns are in same class if one of them can be obtained by a reflection or 180-degree rotation of the other. A228581

Triangular numbers that are repdigits with length > 2 in some base. A274084

a(n) is the least positive integer k such that Mordell's equation y² = x³ + k² has exactly n integer solutions with y >= 0. A392549

Triangular numbers which are products of five distinct primes. A357590