Properties of the Number 86921

Eighty-Six Thousand Nine Hundred Twenty-One

Basics

Value: 86920 → 86921 → 86922

Parity: odd

Prime: No

Previous Prime: 86869

Next Prime: 86923

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 17 × 5113

Divisors: 1, 17, 5113, 86921

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10101001110001001

Octal: 251611

Duodecimal: 42375

Hexadecimal: 15389

Square: 7555260241

Square Root: 294.8236761184556

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

Number of positive nondecreasing integer sequences of length n whose Gilbreath transform is (1, 1, ..., 1). A363002

Total sum of parts <= n of multiplicity 0 in all partitions of n. A213679

Number of partitions p of n such that (number of numbers in p that have multiplicity 1) ≠ (number of numbers in p having multiplicity > 1). A330147

Least number with at least n divisors that are at most its square root. A86921

Number of nX4 0..1 arrays with every element equal to 1, 2, 3 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A300685