Properties of the Number -90601

Ninety Thousand Six Hundred One

Basics

Value: -90602 → -90601 → -90600

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 7 ² × 43 ²

Divisors: 1, 7, 43, 49, 301, 1849, 2107, 12943, 90601

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10110000111101001

Octal: -260751

Duodecimal: -44521

Hexadecimal: -161e9

Square: 8208541201

Square Root: 301

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

Iccanobirt numbers (15 of 15): a(n) = R(R(a(n-1)) + R(a(n-2)) + R(a(n-3))), where R is the digit reversal function A004086. A102125

Integers that are Rhonda numbers to base 6. A100969

Number T(n,k) of entries in the k-th cycles of all permutations of [n] when cycles are ordered by increasing lengths (and increasing smallest elements); triangle T(n,k), n>=1, 1<=k<=n, read by rows. A322383

a(n) = (10·n + 1)². A17282

a(n) = (11·n + 4)². A17438

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

a(n) = (12·n + 1)². A17534

Sum over all n! permutations of n elements of minimum lengths of cycles. A28417

Squares whose reversal is also a square. A61457

Squares with initial digit '9'. A45793