Properties of the Number 90207

Ninety Thousand Two Hundred Seven

Basics

Value: 90206 → 90207 → 90208

Parity: odd

Prime: No

Previous Prime: 90203

Next Prime: 90217

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 13 × 257

Divisors: 1, 3, 9, 13, 27, 39, 117, 257, 351, 771

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110000001011111

Octal: 260137

Duodecimal: 44253

Hexadecimal: 1605f

Square: 8137302849

Square Root: 300.3448018528038

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

Dziemianczuk's array S(i,j) read by antidiagonals. A232973

Starts of runs of 3 consecutive integers that are divisible by the cube of their least prime factor. A365868

Numbers k such that k-1, k and k+1 are all composite with four, five and six (not necessarily distinct) prime factors respectively. A342246

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 0, 1), (-1, 1, 0), (0, 1, -1), (1, 0, 0)}. A148588

Number of ordered trees isomorphic (as rooted trees) to the rooted tree having Matula number n. A206487

Number of factors of n-th nonprime Fibonacci number. A90207