Properties of the Number 99751

Ninety-Nine Thousand Seven Hundred Fifty-One

Basics

Value: 99750 → 99751 → 99752

Parity: odd

Prime: No

Previous Prime: 99733

Next Prime: 99761

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 23 × 4337

Divisors: 1, 23, 4337, 99751

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 11000010110100111

Octal: 302647

Duodecimal: 49887

Hexadecimal: 185a7

Square: 9950262001

Square Root: 315.8338170620746

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

Numbers k such that the last 9 digits of the k-th Lucas number are 1-9 pandigital. A216488

Number of ways to write n as differences of (-4)-gonal numbers. If pe(n):=1/2·n*((e-2)*n+(4-e)) is the n-th e-gonal number, then a(n) = |{(m,k) of Z X Z; pe(-1)(m+k)-pe(m-1)=n}| for e=-4. A99751